Attachment_1_CSS_06-3211.pdf

CALIBRATION STANDARD

SALIENT SPECIFICATION

DEPOT LEVEL

FIZEAU INTERFEROMETER

DEPARTMENT OF THE NAVY

METROLOGY AND CALIBRATION PROGRAM

CSS 06-3211

DISTRIBUTION STATEMENT C. DISTRIBUTION AUTHORIZED TO U. S. GOVERNMENT AGENCIES AND THEIR CONTRACTORS TO PROTECT PUBLICATIONS REQUIRED FOR OFFICIAL USE OR FOR ADMINISTRATIVE OR

OPERATIONAL PURPOSES ONLY. OTHER REQUESTS FOR THIS DOCUMENT SHALL BE REFERRED TO

MEASUREMENT SCIENCE DIRECTORATE, NAVAL SURFACE WARFARE CENTER, CORONA DIVISION, P.O.

BOX 5000, CORONA

AUGUST 2018

CALIBRATION STANDARD

SALIENT SPECIFICATION

DEPOT LEVEL

FIZEAU INTERFEROMETER

Prepared by:

Measurement Science MS33

Physical/Mechanical Standards (MS 33) Measurement Science Department

Naval Surface Warfare Center, Corona Division P.O. Box 5000

Corona, CA 91718-5000

DEPARTMENT OF THE NAVY

METROLOGY AND CALIBRATION PROGRAM

FIZEAU INTERFEROMETER CALIBRATION STANDARD SPECIFICATION CSS 06-3211

i

Table of Contents

1.0 SCOPE

1.1 General

1.2 Usage

1.3 Classification

1.3.1 Class

1.3.2 Configuration

2.0 APPLICABLE DOCUMENTS

2.1 Reference documents

2.2 Order of precedence

3.0 REQUIREMENTS

3.1 Equipment components

3.1.1 Equipment Configuration

3.1.2 Test Stand

3.1.3 Control Console

3.1.3.1 Software. At a minimum the

3.1.4 Finish

3.1.5 Interchangeability

3.2 Design and construction

3.2.1 Operator adjustments and controls

3.2.1.1 Operator adjustments

3.2.1.2 Operator controls

3.2.2 Laser Source

3.2.3 Wiring, internal

3.2.4 Warranty

3.3 Electrical power sources and connections

3.3.1 Electrical power source

3.3.2 Electrical power connections

3.3.2.1 Input power cable

3.3.2.2 Input power switches

3.3.2.3 Test Stand

3.3.2.4 Control Console

3.4 Environmental requirements

3.4.1 Warm-up

3.4.2 Temperature and humidity

3.4.2.1 Temperature operating

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3.4.2.2 Humidity operating

3.5 Performance requirements

3.5.1 Aperture

3.5.2 Laser

3.5.3 Measurement accuracy

3.5.4 Flatness repeatability

3.5.5 Data display formats

3.5.6 Data printing and graphing

3.5.7 Data storage and export

3.6 Maintainability

3.6.1 Fault isolation

3.6.2 Repair

3.7 Calibration

3.7.1 Calibration certificate

3.7.2 Calibration methodology

3.7.3 Calibration interval

3.7.4 Calibration procedure

3.7.5 Alignment

3.8 Technical manuals

3.8.1 Style and format, technical manuals

3.8.2 Content, technical manuals

3.8.2.1 Safety, technical manual section

3.8.2.2 General, technical manual section

3.8.2.3 Use and installation, technical manual section

3.8.2.4 Maintenance and servicing, technical manual section

3.8.2.4.1 Cleaning maintenance

3.8.2.4.2 Part replacement information

3.8.3 Symbols

3.9 Workmanship

3.10 Installation

3.11 Training

4.0 VERIFICATION

4.1 General

4.2 Technical Manual Review

4.3 Conformance inspections. The test methods, procedures, and conditions specified in 4.3.1 Production inspection, Group A through 4.3.5 Accuracy of test instruments iii

4.3.1 Production inspection, Group A. Each unit shall be subjected to the Group A inspection and test of 4.3.1.1 to ensure qualitatively the proper functioning of the equipment, including all operating controls, and conformance with safety requirements.

4.3.1.1 Group A inspection and test. Group A inspection shall consist of the inspections of 4.3.1.1.1 Preoperational inspection through 4.3.1.1.2 Level A performance tests

4.3.1.1.1 Preoperational inspection. The preoperational inspections shall consist of mechanical and visual examination and test to determine that all materials, workmanship, and safety characteristics comply with the specified requirements. The equipment shall be examined or tested to confirm that all electrical wiring is correct and that no mechanical problems are evident

4.3.1.1.2 Level A performance tests. The Level A performance tests shall verify conformance of the system to the performance requirements of this CSS. At a minimum the Level A performance tests shall include the following: calibration of all required system parameters, flatness calibration demonstrations including

4.3.2 Test plan

4.3.3 Failure criteria

4.3.4 Test conditions

4.3.5 Accuracy of test instruments

1.0 SCOPE

The purpose of this Calibration Standard Specification (CSS) is to provide the requirements necessary to replace the Navy’s current Plano-Interferometer, the D305 and D309 series by Davidson Optronics.

1.1 General. This document specifies the minimum requirements for a Depot Level Fizeau Interferometer procurement. This equipment may be of a commercial design or modified commercial design. The Fizeau Interferometer is intended to be used by Navy personnel in shore-based depot laboratories for calibration of a wide variety of optical flats, gage blocks, and mounted mirrors.

1.2 Usage. Equipment covered by this Calibration Standard Specification (CSS) is intended for use in calibrating optical flats, gage blocks, and mounted mirrors in controlled environments. Optical flats requiring calibration include but are not limited to: fused silica type optical flats, single and double sided optical flats, convex and concave optical flats. Gage blocks requiring calibration include, ceramic and stainless steel type gage blocks, square and rectangle gage blocks, short and long gage blocks. The requirements of this CSS are tailored to the intended use of the equipment. Specific requirements of MIL-PRF-28800F, as identified in this CSS, are invoked according to the class of equipment.

1.3 Classification.

1.3.1 Class. The Fizeau Interferometer shall be classified as Class 3 equipment and shall conform to Class 3 requirements in accordance with MIL-PRF- 28800, and as specified in this specification. Class 3 equipment is designed for operational environments where conditions are routinely encountered in a diverse, controlled climate.

1.3.2 Configuration. The Fizeau Interferometer shall cover up to 4 inches in diameter for optical flats with a 4-inch transmission flat. For vertical configurations, the minimum height length for testing of gage blocks for this configuration shall be 6 inches to provide proper clearance.

2.0 APPLICABLE DOCUMENTS

2.1 Reference documents. The following documents form a part of this specification to the extent specified herein. Unless otherwise indicated, the issues of these documents shall be those in effect on the date of this solicitation.

DEPARTMENT OF DEFENSE SPECIFICATIONS

MIL-PRF-28800F - Test Equipment for use with Electrical and Electronic Equipment, General Specification for

MIL-PRF-38793 Manuals, Technical: Calibration Procedures Preparation of.

(Copies of DoD specifications are available online at http://assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.)

NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY

NIST Technical Note 1297 - Guidelines for Evaluating and Expressing the Uncertainty of NIST Measurement Results

Copies of NIST Technical Notes are available online at http://physics.nist.gov/Pubs/guidelines/TN1297/tn1297s or from the National Institute of Standards and Technology, Gaithersburg, MD 20899-0001

NAVY METROLOGY AND CALIBRATION PROGRAM

NAVAIR 17-35QAC-01B Navy and Marine Corps Calibration Laboratory

Audit/Certification Manual

2.2 Order of precedence. In the event of conflict between the text of this CSS and the references cited herein, the text of this specification shall take precedence. Nothing in this CSS, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.

3.0 REQUIREMENTS

3.1 Equipment components. Parts, materials, and process shall be as specified below in 3.1.1 Equipment Configuration through 3.1.5 Interchangeability.

3.1.1 Equipment Configuration. The Fizeau Interferometer shall consist of a Test Stand and a Control Console. The Test Stand shall consist of a granite surface plate, interfacing hardware, a manual joystick to operate the Fizeau Interferometer line-of-sight and other components required to generate and measure the flatness necessary to meet the performance requirements of this CSS. The Control Console shall consist of a controller, software, monitor, printer, and an interface box connecting the controller to the Test Stand. The interface box may be incorporated into the controller or may be a separate instrument system. The Control Console monitors the Fizeau Interferometer operation, provides data acquisition, and performs calculations using the data received for the system and test instrument (TI) being calibrated, and provides http://physics.nist.gov/Pubs/guidelines/TN1297/tn1297s measurement results. The Control Console may or may not be integrated into the Test Stand. If the Control Console is not integrated into the Test Stand a separate computer stand shall be provided for the Control Console and to support the interface box.

3.1.2 Test Stand. The Test Section of the test stand shall be designed to facilitate quick and easy installation and removal of test instruments. The Test Section shall be designed to calibrate test instruments vertically and horizontally. The Test Section for the Fizeau Interferometer shall be of sufficient size to accommodate long gage blocks.

3.1.3 Control Console. The Control Console shall consist of a PC based compatible controller with the latest generation microprocessors, all required operating software, cabling, keyboard, mouse, and all Fizeau Interferometer interface connections necessary to operate the system and meet the requirements of this CSS. The PC shall support USB 2.0 or better and include a DVD/CD write capable drive. The Control Console shall include a color printer for hardcopy of data, charts, and graphs. The Control console shall also include a minimum of a 17-inch color monitor for displaying all necessary control and measurement information.

3.1.3.1 Software. At a minimum the Fizeau Interferometer software shall support testing of test instruments, data reduction, calibration of the system, and masking capabilities for larger optical flats and mirrors. Complete copies of the executable software shall be provided with each system.

3.1.4 Finish. Unless otherwise specified the equipment shall be the finish normally provided by the manufacturer.

3.1.5 Interchangeability. A model number shall be designated for all units provided.

All units with the same model number and the replaceable assemblies, subassemblies, and parts comprising the unit shall be interchangeable on a noninterference basis.

3.2 Design and construction. The Fizeau Interferometer shall be designed and constructed to permit compliance with all applicable requirements, as defined in this CSS as well as the operation, performance, accuracy, and other requirements in this CSS.

3.2.1 Operator adjustments and controls. Operator adjustments and controls shall be as specified below in 3.2.1.1 Operator adjustments and 3.2.1.2 Operator controls.

3.2.1.1 Operator adjustments. The Fizeau Interferometer shall include adjustments or compensating methods for any function or parameter that would exceed the specified tolerance within the calibration interval defined in 3.7.3 Calibration interval. Under all specified service conditions the variation of any adjustment or control shall produce the desired control action to bring the system within tolerance.

3.2.1.2 Operator controls. Operating controls and indicators shall be readily accessible to the operator from the front of the equipment. The readings presented on the controls and indicators shall be available to the operator without conversion or calculation. All operator controls shall be clearly labeled.

3.2.2 Laser Source. The Fizeau Interferometer shall have a Class IIIa high powered stabilized Helium-Neon (He-Ne) laser with a wavelength of 633 nm.

3.2.3 Wiring, internal. Internal wiring practices shall be such that the wiring shall not be damaged during normal maintenance and calibration.

3.2.4 Warranty. The Fizeau Interferometer shall have a minimum of a one-year warranty after initial installation. The He-Ne laser shall have a minimum of a seven-year warranty.

3.3 Electrical power sources and connections. The electrical power sources and connections shall be as specified below in 3.3.1 Electrical power source and

3.3.2 Electrical power connections.

3.3.1 Electrical power source. The Fizeau Interferometer shall operate at 115 VAC single-phase 50 Hz and 60 Hz source.

3.3.2 Electrical power connections. The requirements specified in 3.3.2.1 Input power cable through 3.3.2.4 Control Console shall apply to equipment rated at 10A rms, or less. Power connectors and connections for equipment rated above 10A rms shall be as specified in the purchase description. When single-phase operation is specified, the equipment shall operate with a ground at the primary power source on either or neither side of the single phase input power line.

3.3.2.1 Input power cable. Unless specified, the input power cable shall be a detachable power cable normally provided by the manufacturer.

3.3.2.2 Input power switches. The operator shall be able to energize the equipment to activate and deactivate the equipment. If such a capability is provided, suitable warnings shall be placed in the operating and service manuals and on the equipment to warn the operator of possible shock hazards during servicing, due to partially activated power supplies.

3.3.2.3 Test Stand. The Fizeau Interferometer Test Stand shall be provided with a fuse or circuit breaker to protect the Test Stand in the event of excessive current.

3.3.2.4 Control Console. The Fizeau Interferometer Control Console shall be provided with a fuse or circuit breaker to protect it in the event of excessive current.

3.4 Environmental requirements. The Fizeau Interferometer environmental performance requirements shall be as specified below in 3.4.1 Warm-up through 3.4.2 Temperature and humidity. It shall conform to the specified performance when subjected to the environmental conditions of this specification.

3.4.1 Warm-up. The Fizeau Interferometer shall comply with the specified performance requirements after a 30-minute warm-up period preceded by a maximum 12-hour non-operating temperature stabilization period.

3.4.2 Temperature and humidity. The temperature ranges and humidity limits for operating conditions shall be as specified below in 3.4.2.1 Temperature operating and 3.4.2.2 Humidity operating.

3.4.2.1 Temperature operating. The Fizeau Interferometer shall conform to the specified performance and accuracy while being operated at temperatures over the range of 63 °F to 73 °F.

3.4.2.2 Humidity operating. The Fizeau Interferometer shall conform to the specified performance and accuracy while being operated a humidity range of 20% RH to 45% RH.

3.5 Performance requirements.

3.5.1 Aperture. The Fizeau Interferometer shall be capable of measuring optical flats with a 4 inch diameter without the use of a beam expander.

3.5.2 Laser. The Fizeau Interferometer shall have a high powered stabilized He-Ne laser with a 633 nm wavelength.

3.5.3 Measurement accuracy. The Fizeau Interferometer as a complete system, shall be capable of generating, measuring, and displaying flatness with an accuracy of ±0.62 µin. The manufacturer shall provide a reference optical flat or transmission flat to provide this accuracy.

3.5.4 Flatness repeatability. The Fizeau Interferometer as a complete system, shall be capable of measurement repeatability within of ±0.01 µin. indication.

3.5.5 Data display formats. The Fizeau Interferometer shall be capable displaying measurement data in micro inches peak to peak. The Fizeau Interferometer manufacturer will be required to develop a custom template Report of Calibration and Certificate of Calibration for the system. The Report of Calibration and Certificate of Calibration must comply with the requirements of

NAVAIR 17-35QAC-01B, Navy and Marine Corps Calibration Laboratory Audit/Certification Manual, Section 13 and will require NAVY approval.

3.5.6 Data printing and graphing. A color printer shall be provided with each system. The Fizeau Interferometer shall be capable of color printing and graphing all data and the Report of Calibration and Certificate of Calibration.

Printing shall be in user selectable fields as described in 3.5.5 Data display formats. All graphs shall have user selectable ranges, units, resolutions, scaling, and headings/titles.

3.5.7 Data storage and export. The Fizeau Interferometer shall store calibration data in user-selected data fields. Data shall be stored in a format that can be easily retrieved and displayed. All data shall be capable of being easily exported to Microsoft Excel spreadsheets in user selectable fields. The operating environment of the controller will support Microsoft Excel 2016 and later editions in use at the time of contract award.

3.6 Maintainability. Maintainability shall be as specified below in 3.6.1 Fault isolation through 3.6.2 Repair.

3.6.1 Fault isolation. The design of the equipment shall permit isolation of faults, and repair down to the component/subassembly item or lowest replaceable unit with the maintenance provisions furnished.

3.6.2 Repair. Maintenance instructions shall be furnished to facilitate the replacement of components/subassemblies and subsequent testing procedures to ensure the performance of the component or the repair action taken. Spare parts information shall be provided for all major components of the system including but not limited to: clamps, circuit cards, filters, and temperature probes.

3.7 Calibration. The Fizeau Interferometer shall meet the calibration requirements as specified below in 3.7.1 Calibration certificate through 3.7.5 Alignment. For the purpose of this CSS, calibration refers to the process of comparing a test instrument with a calibration standard to determine the indicated error at specified test points. Alignment refers to the process of characterizing and adjusting a test instrument to cause it to indicate within its specified accuracy limits.

3.7.1 Calibration certificate. The equipment provided under this CSS shall have a current calibration certificate, with a calibration data sheet, traceable to the National Institute of Standards and Technology (NIST).

3.7.2 Calibration methodology. The preferred calibration methodologies for the Fizeau Interferometer shall be through a direct comparison method. The transmission flat of the Fizeau Interferometer shall be compared against an optical flat with higher accuracy. A minimum 2:1 ratio is necessary.

3.7.3 Calibration interval. The minimum interval between calibrations shall be 12 months. At the end of this interval, a minimum of 85 percent of the system parameters shall remain in tolerance.

3.7.4 Calibration procedure. The calibration support methodology for the system shall be provided in the system documentation. The information provided must be sufficient to allow development of a Navy calibration procedure in accordance with MIL-PRF-38793.

3.7.5 Alignment. Alignment is the process by which individual Fizeau Interferometer sensors and their measurement circuitry and displays are adjusted to ensure that the system parameters are within the requirements for the overall system measurement uncertainty. Alignment shall not require use of external devices other than commercially available calibration/measurement standards. The Fizeau Interferometer shall be capable of alignment in place.

3.8 Technical manuals. Two copies of an operation and maintenance manual shall be provided with each unit. Technical manuals shall conform to the requirements specified in 3.8.1 Style and format, technical manuals through

3.8.3 Symbols. The technical manuals shall be provided in both printed and electronic format. The electronic copy shall be in a Portable Document Format (PDF) and Microsoft Word on a CD or DVD.

3.8.1 Style and format, technical manuals. All text shall be legible. A cover page shall include, equipment name and model number. A table of contents shall be provided.

3.8.2 Content, technical manuals. The contents of the technical manuals shall include sections addressing safety, general information, use and installation, maintenance and service. Drawings of the Fizeau Interferometer with sufficient detail to identify all controls and connections shall be supplied. The content of the sections shall conform to the description provided below in

3.8.2.1 Safety, technical manual section through 3.8.2.4.2. Part replacement information.

3.8.2.1 Safety, technical manual section. The manual shall contain warnings, cautions and notes to prevent injury to personnel and damage to equipment.

The warnings shall contain safety precautions where hazards such as high voltage, high pressure, and high temperature may be present during installation, operation, or maintenance.

3.8.2.2 General, technical manual section. The manual shall contain the following:

purpose and functions, capabilities, performance characteristics, description (model number, dimensions, and weight), power information, and operational environment requirements.

3.8.2.3 Use and installation, technical manual section. This section shall contain information on the following: operating instructions (illustrations and explanations of the uses and functions of all controls and indicators), initial adjustments and control settings, startup procedures, required clearances, illustrations of equipment connections, and installation precautions.

3.8.2.4 Maintenance and servicing, technical manual section. The level of maintenance philosophy shall be unit operational verification, and component level. Maintenance instructions shall be furnished to facilitate the replacement of components/subassemblies on the systems. Testing procedures to ensure the performance of the component or the repair action taken shall be provided.

3.8.2.4.1 Cleaning maintenance. Cleaning information covering intervals, types of solvents, and materials used shall be listed in the maintenance and servicing section of the technical manual.

3.8.2.4.2 Part replacement information. Common commercial parts shall be identified by part number and description to facilitate substitutions of parts from other sources.

3.8.3 Symbols. All symbols used in the technical manual shall be standard or common to the trade. Where nonstandard symbols are used, explanations shall be provided.

3.9 Workmanship. The manufacture and assembly of the items covered by this CSS shall be representative of the best commercial practices and shall conform to the requirements of this CSS. All items will remain securely held in place during normal transit. Adequate protection will be afforded for the equipment on all sides to avoid transient damage.

3.10 Installation. The manufacturer will be responsible for installation of the Fizeau Interferometer. The manufacturer will be responsible for shipping of the Fizeau Interferometer to the receiving site. Any damage to the shipping container will be reported to the manufacturer when received by the Navy.

The Navy shall locate a delivered Fizeau Interferometer in the test area where it will be used. The Navy will uncrate the Fizeau Interferometer from its shipping container and position it as required. The manufacturer is responsible for all wiring and connections between the Fizeau Interferometer, Interface electronics, and Control Console, as well as all connections to power and air pressure sources. The Navy will provide the required power, facility air pressure source, and ventilation in the test area. The Fizeau Interferometer must meet all CSS performance, functional and design requirements at the delivery site before the system is considered installed.

3.11 Training. After completion of the Fizeau Interferometer installation, on-site training shall be provided by the manufacturer. Training shall include instruction on how to operate, maintain, and calibrate the Fizeau Interferometer and shall include a) A complete review of all topics in the operating manual b) Instruction on the use of all software functions and menus. c) Calibration of the Fizeau Interferometer d) Instruction on required periodic maintenance. Only one training session will be required at each installation site.

4.0 VERIFICATION

4.1 General. All Fizeau Interferometer procured shall be capable of satisfying all of the requirements indicated in Section 3 of this CSS and shall be subjected to testing. Verification shall be accomplished by using the test procedures in MIL-PRF-28800 for Class 3 equipment for those tests identified and as modified in the following paragraphs.

4.2 Technical Manual Review. The Fizeau Interferometer Technical Manual(s) shall be reviewed and examined for compliance with the requirements specified in paragraph 3.8 Technical manuals of this CSS.

4.3 Conformance inspections. The test methods, procedures, and conditions specified in 4.3.1 Production inspection, Group A through 4.3.5 Accuracy of test instruments are required for conformance inspection.

4.3.1 Production inspection, Group A. Each unit shall be subjected to the Group A inspection and test of 4.3.1.1 to ensure qualitatively the proper functioning of the equipment, including all operating controls, and conformance with safety requirements.

4.3.1.1 Group A inspection and test. Group A inspection shall consist of the inspections of 4.3.1.1.1 Preoperational inspection through 4.3.1.1.2 Level A performance tests.

4.3.1.1.1 Preoperational inspection. The preoperational inspections shall consist of mechanical and visual examination and test to determine that all materials, workmanship, and safety characteristics comply with the specified requirements. The equipment shall be examined or tested to confirm that all electrical wiring is correct and that no mechanical problems are evident.

4.3.1.1.2 Level A performance tests. The Level A performance tests shall verify conformance of the system to the performance requirements of this CSS.

At a minimum the Level A performance tests shall include the following:

calibration of all required system parameters, flatness calibration demonstrations including optical flats, mounted mirrors, and short and long gage blocks.

4.3.2 Test plan. An equipment test plan shall be developed by the manufacturer.

The test plan must be reviewed and approved by the Navy prior to installation of the system. The test plan shall be used to verify conformance to the requirements of the contract and this specification.

4.3.3 Failure criteria. For the purposes of this CSS, equipment failure is defined as any departure from the required performance requirements or operation outside of the required accuracies (not correctable by normal use of the operating controls), or deviation from the criteria specified in 3.7 Performance requirements after the test is initiated. The item shall have failed the test when any of the conditions specified in a. through g. below occur:

a. Monitored functional parameters deviate beyond acceptable limits

b. Catastrophic or structural failure

c. Mechanical binding or loose parts, including screws, clamps, bolts, and nuts, that results in component failure or a hazard to personnel safety

d. Malfunction

e. Degradation of performance beyond limits established in the purchase description

f. Any additional deviations from acceptable criteria established before the test

g. Deterioration, corrosion, or change in tolerance limits of any internal or external parts that could in any manner prevent the test item from conforming to operational service or maintenance requirements

4.3.4 Test conditions. Unless otherwise specified the inspections specified herein shall be performed under the conditions of a. through d. Ambient conditions within the specified ranges need not be controlled. For equipment having a specified warm-up or stabilization period after turn-on, formal measurements and observations shall be made only after the specified time period as specified previously in 3.6.1 Warm-up.

a. Temperature: 63 °F to 73 °F

b. Humidity: 20% RH to 45% RH

c. Power: Nominal or alternate power source specified for the equipment

d. Attitude: Normal operating position

4.3.5 Accuracy of test instruments. The test instruments used to control or monitor the test parameters shall be verified to be within their calibration cycle prior to performing tests.

3.8.3 Symbols 8