Attachment 1.pdf
PDF 70 KB Posted
- Attached to
- Specialized Optical Substrates
- Solicitation number
- N6660426Q0185
About this file
This document outlines purchase requirements for germanium optical substrates across two contract line items (CLINs). The contractor must demonstrate the capability to provide both CLINs and possess documented experience in applying for and receiving export licenses, with delivery required by September 30, 2026 (end of fiscal year 2026).
CLIN 0001 requires three uncoated germanium optical substrates with the following specifications: F-number N = 3, ΔN = 0.5, surface quality 80–50, and dimensions of 50.8 mm diameter by 3 mm thick. CLIN 0002 requires twelve germanium optical substrates with identical pre-coating specifications that are to be coated with both anti-reflective (AR) and diamond-like coating (DLC) layers. The coated substrates must achieve average transmittance greater than 89% in the 8–12 micrometer wavelength range. Both CLINs specify identical substrate dimensions of 50.8 mm diameter by 3 mm thick.
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| File | Type | Posted |
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| N6660426Q0185.pdf |
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Purchase Requirements
For the purchase of Ge optical substrates without a specialized coating (CLIN 0001) and with a specialized coating (CLIN 0002). The contractor must be able to provide both items and meet all requirements for both CLIN 0001 and CLIN 0002. The samples must be delivered by the end of the fiscal year (09/30/26) and the company must have demonstrated experience applying for and receiving an export license.
CLIN 0001:
Optical Substrate: Germanium
Optical Coating: None
Technical Specs:
• F-number N = 3
• ΔN = 0.5
• Surface quality: 80–50
Substrate Dimensions: 50.8 mm diameter, 3 mm thick
Substrate Quantity: 3
CLIN 0002:
Optical Substrate: Germanium
Optical Coating: Anti-reflective (AR) + Diamond-like coating (DLC)
Technical Specs before coating:
• F-number N = 3
• ΔN = 0.5
• Surface quality: 80–50
Technical Specs after coating:
• Average transmittance > 89% @ 8–12 µm
Substrate Dimensions: 50.8 mm diameter, 3 mm thick
Substrate Quantity: 12
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