Attachment_1_-_PD_Rev1_19E-193A-LA__AFPSL-Laser_Source_532_nm_9_July_19.pdf

LASER SOURCE 532 nm PURCHASE DESCRIPTION PD_Rev1_19E-193A-LA-Laser Source 532 nm

9 July 2019

1.0 SCOPE: This purchase description identifies performance requirements for a 532 nm continuous wave laser, which will be used to calibrate laser power and energy meters.

2.0 COMPONENT: Listed in this purchase description are Air Force minimum functional requirements that are to be satisfied.

3.0 SALIENT CHARACTERISTICS:

3.1 Laser:

3.1.1 Output Power: The maximum laser output beam power shall be ≥ 20 watts and ≤ 25 watts continuous wave and the minimum power shall be ≤ 500 milliwatts continuous wave. The output power shall be adjustable between 500 milliwatts and 20 watts with a minimum resolution of at least 100 milliwatts.

3.1.2 Wavelength: The wavelength of laser output beam shall be 532 nm nominal.

3.1.3 Power Stability: The instability of the laser output power shall be ≤ ±1.0% over a 2 hour period.

3.1.4 Transverse Electromagnetic Mode (TEM Mode): The TEM Mode shall be TEM00.

3.1.5 Beam Quality Factor (M2): The beam quality factor shall be ≤ 1.25.

3.1.6 Polarization: The beam polarization shall be vertical, and have an extinction ratio of at least 100:1.

3.1.7 Beam Diameter and Divergence: The beam diameter shall be < 5 millimeters at the exit port and have full angle divergence of less than 2 milliradians in the far field.

3.1.8 Beam Pointing Instability: The beam pointing instability shall be no more than 2 microradians/°C.

3.1.9 Pumping: The laser output beam shall be diode pumped.

3.1.10 Shutter: The laser shall have a mechanical shutter.

3.2 Laser Power Supply:

3.2.1 Main Power Control: The laser power supply shall have a main power control that is key lockable in the OFF position.

3.2.2 Interlock Status: The laser power supply shall have a display that indicates when an interlock is open.

3.3 Remote Control:

3.3.1 Power Level: The laser output beam power shall be adjustable from the remote control.

3.3.2 Power Monitor: The remote control shall have a built in real time display power monitor with at least a 2 ½ digit resolution. The power monitor shall not interfere with the specified maximum laser output power.

3.4 Cooling: The Laser shall use a closed loop water cooling system that is air cooled.

FA226319QA033

Attachment 1

4.0 GENERAL REQUIREMENTS:

4.1 Power Requirements: The equipment shall operate on a line power of 110V ±10%, line frequency of 60 hertz, and 20-amp service. The equipment shall be supplied with a power cord that is at least 10 feet long.

4.2 Interconnecting Cable: The cable interconnecting the laser with the laser power supply shall be at least 10 feet long.

4.3 Operating Temperature Range: The equipment shall perform to full specifications at 23 ±4 °C.

4.4 Operating Humidity Range: The equipment shall perform to full specifications from 20 to 50 % RH.

4.5 Mechanical and Physical Requirements: The equipment shall have the following mechanical and physical characteristics.

4.5.1 Design and Construction: The equipment shall be designed and constructed of materials that meet the requirements of this specification and in accordance with the best commercial practices for industry approved equipment.

It shall be the contractor's responsibility to assure the government that such design objectives as reliability, accuracy of operation, maintainability and ease of operation have been given due consideration in the manufacture of this equipment.

All parts such as shafts, bearings, regulators, switches, controls, etc. shall have proper clearance and adjustments. They shall so work together that the equipment shall supply the rated requirements without unnecessary strains, vibrations, and overheating. They shall be able to withstand the conditions met in shipping, storage, installation, and services. All material and parts of this equipment shall be capable of withstanding environmental testing requirements of this specification.

4.5.2 Selected Components: Matched and selected components shall be kept to an absolute minimum. Use of specially built non-standard components other than switches and similar individual assemblies shall be avoided whenever possible.

4.5.3 Metals: Metals shall be of corrosion resistant type or suitably treated to resist corrosion due to atmosphere conditions likely to be met in storage, services or transportation. Dissimilar metals in intimate contact shall be kept to a minimum.

4.6 Continuous Operation: After a three-hour warm-up period, the equipment shall meet the specifications of this purchase description and shall not display any intermittent characteristics or overheating for an extended period of not less than 120 hours of continuous operation.

4.7 Dimensions: The laser head shall require no more than 10 x 25 x 12 in (W x D x H) table space.

4.8 Turnkey Operation: The laser shall be built and supplied complete and ready to use.

5.0 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.

6.0 SAFETY: Equipment shall be designed such that it shall not be of any hazard to itself or to any person operating it using reasonable precautionary procedures. The equipment shall be CDRH and ANSI Z136.1 compliant.

FA226319QA033

7.0 QUALITY ASSURANCE: This item shall be inspected and tested at destination, as specified elsewhere in this contract. This item will be checked with test equipment with parameters equal to or better than those required assuring specified performance requirements are met. Test equipment used has first echelon certification directly traceable to the National Institute of Standards and Technology or other AFMETCAL approved sources when required. Tests will be performed to assure the 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 fabrication, as specified elsewhere in this contract, or as necessary, to ensure performance, as specified herein. In addition to all elements of this purchase description, all commercially available components provided with this system must, as a minimum, satisfy their commercially published performance specifications.

8.0 INSTALLATION: The vendor shall install the laser at the Air Force Primary Standards Lab, Heath Ohio.

Attachment to Purchase Description 19E-193A-LA

Laser Source 532nm

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).