Requirement final .pdf
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- Fiber-coupled optical cavity
- Solicitation number
- 1333ND23QNB640497
About this file
This statement of requirements describes a solicitation by the National Institute of Standards and Technology for the purchase of a fiber-coupled optical cavity. The solicitation seeks a contractor to provide an optical cavity with a linear, two-mirror design constructed from an ultralow-thermal expansion material. The cavity must have a minimum 5 cm mirror-to-mirror length and fiber coupling with single-mode fiber and FC/APC terminations on both ends. One mirror must be mounted on a piezo actuator with at least 1 micron of travel and 100 Hz closed-loop response. The cavity will be used for gas absorption measurements and must include a gas inlet with VCR fittings and demonstrate a leak rate of less than 1x10^-9 mbar L/s. The mirrors will be provided by NIST centered at 1650 nm and compatible with 1-inch diameter mirrors.
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STATEMENT OF REQUIREMENTS
TITLE: Purchase of Fiber-coupled optical cavity
BACKGROUND OF PROPOSED ACQUISITION:
Chemical Sciences Division Optical Measurements Group develops new methodologies and instrumentation for the measurement of gas phase molecular absorption features. These methodologies and instrumentation include novel spectrometers that offer ultra-high sensitivity to trace gases, high fidelity and reproducibility in measured concentrations, and precision gas metrology. The Optical Measurements group is developing next-generation molecular absorption spectrometers, which involves coupling a laser source to a gas absorption cell. The Optical Measurements group has determined that a fiber-coupled optical cavity is a suitable technology for the development of these reference cells.
DESCRIPTION/PURPOSE OF ITEM/SERVICE TO BE ACQUIRED:
The contractor shall provide one (1) optical cavity with the following minimum technical specifications:
1. A linear, two-mirror optical cavity design
2. The cavity shall be constructed from a ultralow-thermal expansion material.
3. Mirrors will be provided by NIST, with a center wavelength of 1650 nm. The cavity shall be compatible with ½” diameter mirrors.
4. Mirrors shall be mounted in a fashion to mitigate mechanical strain on the substrates.
5. All wavelength-dependent components (including windows, anti-reflection coatings, fiber optics) shall be optimized for the 1650 nm center wavelength.
6. The cavity, including fiber coupling, shall not require end-user optical alignment on delivery.
7. A cavity length of 5 cm, mirror to mirror.
8. Fiber-coupling in and out of the optical cavity, with SM fiber of 1 m on each side, with FC/APC termination on each fiber.
9. Mounting for connection to a 1 inch on-center optical bench
10. One mirror shall be mounted on a piezo with the following specifications:
a. Minimum travel of 1 m (greater than 1 free spectral range in frequency space)
b. Minimum 100 Hz closed loop response
11. Gas inlet to fill optical cavity with a user-provided gas
a. The inlet should have ¼” VCR fittings
12. The cavity shall have a demonstrated leak rate of <10-9 torr*liter/sec
Warranty:
The Contractor shall provide, at a minimum, a ninety-day warranty for the equipment. The warranty shall cover all parts and labor. The warranty shall commence upon Government acceptance..
Delivery:
Shall be made FOB destination to:
National Institute of Standards and Technology NIST 100 Bureau Dr.
Gaithersburg, MD. 20899
Normal duty hours are Monday through Friday, 7:00 a.m. to 3:30 p.m. with the exception of Federal holidays.
I. DELIVERABLES
Description Quantity Due Date Fiber-coupled optical cavity 1 Within 20 weeks after award
II. GOVERNMENT ACCEPTANCE
The Government will verify that all the minimum requirements within this document have been met for acceptance.
File details come from the government source that posted it. Updated .