Purchase_Description_.pdf

18M-291A-OP

12 March 2018

Rev.3

DIRECTORATE OF METROLOGY

PURCHASE DESCRIPTION

FOR

LASER INTERFEROMETER SYSTEM

1. SCOPE:

The Laser Interferometer System (LIS) is an interferometry device used by the Air Force Primary

Standards Laboratory (AFPSL) and Precision Measurement Equipment Laboratories (PMELs) as an

Air Force Measurement Standard for calibrating Working Standard Autocollimators.

2. PERFORMANCE REQUIREMENTS:

2.1. Resolution:

2.1.1. The LIS shall have a changeable linear resolution with a minimum resolution of 0.1 µin

(0.0000001 inch).

2.1.2. The LIS shall have a minimum Angular and Squareness resolution of 0.01 arc-second.

2.1.3. The LIS shall have a minimum Flatness and Straightness resolution of 1 µin (0.000001 inch).

2.2. Range:

2.2.1. The LIS shall have a nominal vacuum wavelength of 632.991 nanometers.

2.2.2. The LIS shall have a linear measurement range of 130 feet.

2.2.3. The LIS shall have an Angular measurement range of ± 10º.

2.2.4. The LIS shall have a Straightness measurement range of ± 0.1 in.

2.2.5. The LIS shall have a Flatness measurement range of ± 0.06 in.

2.2.6. The LIS shall have a Squareness measurement range of ± 2000 arcsec/foot.

2.2.7. The LIS shall have a Material Sensor temperature range of 32 ºF to 100 ºF.

2.2.8. The LIS shall have an Air Sensor temperature range of 32 ºF to 100 ºF.

2.2.9. The LIS shall have a Relative Humidity Sensor range of 0% to 95% (Non Condensing).

2.2.10. The LIS shall have an Air Pressure Sensor range 9.5 psi to 16.5 psi.

2.3. Measurement/TI Uncertainty:

2.3.1. The LIS shall have the capability to measure linear distance, angle, velocity, flatness, squareness, rotary axis, and straightness.

2.3.2. The LIS shall have a frequency accuracy of +/- 0.05 ppm.

2.3.3. The LIS shall not exceed +/- 0.5 ppm for an overall linear accuracy when using the environmental compensator.

Rev.3

2.3.4. The LIS shall have an angular accuracy +/- (0.1 + 0.007 * measurement distance in feet) arc-second + the accuracy associated with the angular optics being used for measurement.

2.3.5. The LIS shall be able to monitor, display, and correct the laser head wavelength based on ambient laboratory temperature, barometric pressure, and humidity.

2.3.6. The LIS shall have a Material Sensor temperature accuracy of +/- 0.2 ºF.

2.3.7. The LIS shall have an Air Sensor temperature accuracy of +/- 0.4 ºF.

2.3.8. The LIS shall have a Relative Humidity Sensor accuracy of +/- 6%.

2.3.9. The LIS shall have an Air Pressure Sensor accuracy of +/- 0.015 psi.

2.3.10. The LIS Angular Optics kit shall have an angular accuracy of +/- 0.2% Indicated Value.

2.4. Units: The LIS shall be able to display in imperial units (feet, inches, microinch, degrees, minutes, and arc-seconds) and metric units (meters, millimeters, micrometer, millimeter/meter, and radians).

2.5. Stability: The LIS stability shall not exceed +/- 0.02 ppm over 1 hour and +/- 0.05 ppm over its lifetime.

2.6. Warm up time: The LIS shall have a warm up period not to exceed 10 minutes.

3. FUNCTIONAL REQUIREMENTS:

3.1. User Interface:

3.1.1. The LIS shall be able to be interfaced to a laptop controller.

3.1.2. The LIS shall allow direct input of a preset length, preset angle, set zero, coefficient of thermal expansion (CTE), correction factors for angular optics, and Velocity of Light

(V.O.L.).

3.2. Ancillary Equipment: The LIS shall include a laser head, detached environmental compensator, mount, cables, connectors, electronic interfaces, air sensor, material sensor, laser interferometer operating software, angular optics, laser head mount, material and air sensor calibration software, and other components necessary to perform measurements.

3.3. Cables:

3.3.1. The LIS shall come with a 5 +/- 1 meter and a 10 +/- 1 meter cable that connects the laser head to PC.

3.3.2. The LIS shall come with a 5 +/- 1 meter and a 10 +/- 1 meter cable that connects each environmental compensator sensor to the environmental compensator.

3.3.3. The LIS shall come with a 5 +/- 1 meter cable that connects the environmental compensator to PC.

3.4. Laser Head Mount: The LIS shall come with a mounting stage to allow movement of the laser head in both yaw and translation positions controlled by a thread screw. The mount shall be able

Rev.3 to move +/- 1° from center in the yaw position and +/- 1 inch from center in the translation position. The mount shall be able to be mounted to a 3.5 inch - 8 TPI threaded stand.

3.5. Optics Kits:

3.5.1. The LIS shall come with an Angular Optics Kit. Angular optics kit shall contain at a minimum 2 alignment targets, 1 angular reflector, and 1 angular interferometer (beam splitter) that allows the laser interferometer to meet specifications listed above in paragraph

2.0.

3.5.2. The LIS shall be able to use and interface with Renishaw’s A-8003-0441 Angular Optics

Kit, A-8003-0440 Linear Optics Kit, A-8003-0665 Squareness Optics Kit, A-8003-0444

Long Range Straightness Optics Kit, A-8003-0443 Short Range Straightness Optics Kit, and Hewlett Packard (HP) 10770A and 10771A Optics currently owned by the U.S. Air

Force.

3.6. Calibration Requirements: The LIS shall monitor, display, and correct measurement values based on the Environmental Compensator inputs and CTE.

3.7. Warranty: The LIS shall have a minimum of a 3-year warranty to cover both hardware and software.

4. MECHANICAL & PHYSICAL REQUIREMENTS:

4.1. Dimensions and Weight:

4.1.1. The LIS laser head shall be no larger than 9 inch x 6 inch x 3 inch, and weight no more than 5 lbs.

4.1.2. The LIS environmental compensator (excluding cables and sensors) shall be no larger than

6 inch x 3 inch x 3 inch, and weigh no more than 2 lbs.

4.2. Power: The LIS shall use an external power supply that shall be within the range of 90V AC to

240V AC.

4.3. Helium Neon Laser Tube:

4.3.1. The LIS shall have a Red-Line Laser with a Vacuum Wavelength of 632.990 nm to

632.992 nm.

4.3.2. The LIS shall have a Helium Neon (HeNe) Laser Tube with automatic tuning.

4.3.3. The Laser Tube shall meet requirements for International Electrotechnical Commission

(IEC) 60825-1 Class II.

4.4. Model and Serial Number Identification: The LIS shall be identifiable by manufacturer, model or part number, and serial number for identification. Unique item identification shall follow the item Identification and Valuation clause as stated in the contract.

4.5. Carrying/Shipping Case:

4.5.1. A reusable Storage Case shall be rugged, waterproof, and fit the laser interferometer, environmental compensator, ancillary equipment stated above in para 3.2, and user’s manual.

Rev.3

4.5.2. Storage case shall be capable of repeated opening and closings without degradation of the reusability of the case.

4.5.3. Storage Case shall have a label that identifies noun, model or part number, manufacturer, and serial number. Unique item identification shall follow the item Identification and

Valuation clause as stated in the contract.

4.5.4. Storage Case shall be secured using latches, and have carrying handles capable to support the weight of the Laser Interferometer and all components.

4.5.5. Storage Case shall be no larger than 30 inch x 18 inch x 12 inch.

4.5.6. Storage case will be inspected by the Air Force and shall be free from any defects (i.e. poor molding fabrication, loose materials, damaged or improperly assembled cases, peeling, or chipping of plating or finish, nicks or burrs of metal parts, and post molding warping) which affect the durability, strength, safety, or serviceability. The finish of exposed edges/surfaces shall be smooth and free of sharp or jagged edges.

4.5.7. Storage case shall have cushioning and mounting provisions inside the case that provides protection to prevent damage from normal handling during transportation.

4.5.8. Storage case interior material shall be manufactured from a material that will not corrode any part of the LIS; the material shall be oil resistant and not deteriorate.

4.6. Operating Environment/Storage: The LIS shall be capable of operating to the specifications listed above in paragraph 2.0 in temperatures ranging range from 32° F to 100° F with a Relative

Humidity (RH) of 20% to 50%. The LIS shall be capable of being stored in an environment of

0° F to 130° F, with a RH less than 95%.

4.7. Workmanship: The workmanship shall be first class, of neat general appearance in compliance with standard commercial practices. The standards of workmanship shall be such that the system complies with the requirements set forth in this purchase description.

5. CONTROLLER REQUIREMENTS:

5.1. Controller: A laptop controller is required that can efficiently operate under Microsoft

Windows 10 Professional 64 bit operating system. All major components of the system must be commercially available and fully supportable by commercial sources. The Controller must meet or exceed Microsoft Windows 10 Professional hardware requirements. Controller shall be supplied with Microsoft Word, Access, .Net Framework 4.5.2, and Excel; latest release with a non-renewable license.

5.1.1. Processor: Intel Pentium V or otherwise equivalent or better generation minimum, 2.0

GHz clock speed minimum.

5.1.2. Memory: Minimum 8 GB system Memory.

5.1.3. Input Output (I/O) External Ports, Slots, and Connectors: At minimum, the following types of I/O interface connections must be available on the controller or via port replication:

5.1.3.1. USB: Minimum of four integrated USB Ver 2.0 compliant ports.

Rev.3

5.1.3.2. Ethernet: One 100/1000 Base T Ethernet RJ45 port.

5.1.4. Display Panel: Minimum 19-inch LED or LCD Color Display Panel with at least 1024 x

768 resolution for a 4:3 aspect ratio or 19.1-inch flat panel LED or LCD Color Display

Panel with at least 1280 x 720 resolution for a 16:9 aspect ratio.

5.1.5. Hard Drive: 80 GB (Minimum) Hard Disk Drive.

5.1.6. DVD Drive: The Controller shall contain a DVD/RW drive to allow the software to be installed from a CD or DVD.

5.1.7. Operating System and Software: All software must run or be compatible to run under

Microsoft Windows 10 (Professional operating system or greater 64 bit, latest version release). All software must run Windows 10 as a non-elevated user.

5.1.8. Software: The controller shall be able to display and output all data required for measurements specified in paragraph 2.3.1., and display and use data from the environmental compensator to correct LIS measurements.

5.1.9. Software Installation Disk: A software installation disk loaded with software shall also be included, to re-load the software in case the software loaded in the controller becomes corrupted.

5.1.10. Additional Hardware: Controller shall consist of a processor, monitor, keyboard, and mouse. Additional hardware required to make this system function as identified by this purchase description shall be required.

5.2. Software Identification: All software used in conjunction with the LIS shall be identified by

Name, Version, and Date; to be displayed upon startup or located in an “About” menu in the software.

5.3. Software Support:

5.3.1. The LIS software support shall provide all software patches, fixes, version updates, and major revisions that provide corrections to problems, added functionality, and/or performance improvements that can be applied to all licenses within the Air Force.

5.3.2. The LIS software support shall include technical support at no additional charge for normal software usage, clarification of documentation and resolution of software problems. The contractor shall have multiple methods for convenient contact of

Technical Support. Contact methods shall include on-line via internet and telephone.

6. OPERATOR’S MANUAL: The LIS shall come with a Commercial Off The Shelf (COTS) operator’s manual describing features and functions, assembly and start up, operation, instructions and troubleshooting for software, technical data, maintenance and care, and warranty.

7. TESTING: This item will be inspected and accepted at destination as stated in the contract. The item will be checked with test equipment with parameters equal to or better than those required to ensure that specified performance parameters are met. Test equipment used shall have first echelon certification directly traceable to the National Institute of Standards Technology (NIST) or other

AFMETCAL-approved equivalent international laboratory. Tests will be performed to ensure that the

Rev.3 item meets the requirements of this purchase description. Such testing at destination does not relieve the contractor of performing all inspections and quality checks at the point of manufacture as necessary to assure performance as specified herein. Temperature and humidity will be verified using the Thunder Scientific 2500S, and Temperature Generator. Pressure will be verified using Mensor

CPC6050.

Attachment:

Data Requirements

Attachment to

Purchase Description 18M-291A-OP

Laser Interferometer System

DATA REQUIREMENTS

MANUALS: A complete user and service manual and calibration procedure shall be provided with each unit in contractor format. Manuals shall be on CD/DVD-ROM in Indexed Portable Document Format

(iPDF). The manuals shall comply with Data Item Description (DID) DI-TMSS-80527C and the Contract

Data Requirements List (DD Form 1423).

SOFTWARE USER MANUAL: The software user manual shall contain instructions to execute one or more related computer software configuration items. The software user manual shall be provided in paper format and prepared in accordance with Data Item Description DI-IPSC-81443A and Contract Data

Requirements List (DD Form 1423).