TOWER OPTICAL: Precision Optical Flat 4542-0012
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How to order?
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Ships from:
United States
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Sold by:
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On FindLight:
since 2015
Description
Precision optical flats are Fused Silica optical components that are used as a reference against which the flatness of an unknown surface can be determined. For less demanding jobs Tower offers them made from BK7 with a flatness specified as λ/4 or better. These optical flats may also be used as windows.
TOWER OPTICAL: Precision Optical Flat 4542-0012
Specifications |
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|---|---|
| Diameter: | 100 mm |
| Thickness: | 20 mm |
| Substrate: | Fused Silica |
| Flatness: | lambda/10 |
| Single Or Dual Surface: | Dual |
| Ref. Index: | 1.458 |
| Abbe Number: | 67.7 |
| Exp. Coefficient: | 0.55 Per degree Celsius |
| Surface Quality: | 60-40 scratch-dig |
| Parallelism: | 1 arc min |
Features
Single Sided and Double Sided Optical Flats
* Fused Silica
* Flatness of λ/10 or λ/20
* Single and double sided
* Easy to use
* From 25mm to 200mm
* Precision Ground and Polished
* Low cost BK7 with reduced quality
Frequently Asked Questions
Precision optical flats are used as a reference against which the flatness of an unknown surface can be determined.
The optical flats are made from Fused Silica or BK7.
The flatness specification for the BK7 optical flats is λ/4 or better.
The optical flats are available in sizes ranging from 25mm to 200mm.
Yes, carrying cases are available for the optical flats. The CASE-S is for up to 100mm and costs $20, while the CASE-L is for 150 & 200mm and costs $50.