Coated and Uncoated Glass Samples

Amendment 001 2/19/2026 The purpose of this amendment is to post industry questions and answers. All terms and conditions remain unchanged.

Question: Is this a defense article subject to ITAR control?

Answer:

No. Question: Is this item under Export Control regulated by the EAR? (e.g. Dual-use products, aerospace & propulsion applications)

Answer:

No. Question: Will the part be used with a laser or in a laser system?

Answer: Yes.

Question: If yes, is this an intra-cavity optic?

Answer:

No. Question: Will this be exported and, if so, where?

Answer:

No. Question: Is there a specific application you are planning to use these parts?

Answer: These samples will undergo biofouling and will then be analysed to characterize the nature of the biofouling.

Question: Do you have any drawings/prints? If so, can you please provide them?

Answer: There are no drawings/prints.

Question: Can you specify exactly what tolerances you’re looking for when you say “precision” and “commercial”?Answer:

Diameter: Precision = +0.000/-0.025 mm Thickness: Precision = +/- 0.050 mm Chamfer: Commercial = +0.000/-0.100 mm Question: Are there any durability/environmental tests that these coatings will need to go through?

Answer:

No. Question: Is the infrared grade requested FS 7980 or 7979 as there is substantial price difference between the two ?

Answer: 7980 is required. Please see attached RFQ for details about this opportunity.