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- TOWER OPTICAL: Precision Optical Flat 4542-0013
TOWER OPTICAL: Precision Optical Flat 4542-0013
OVERVIEW
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.
SPECIFICATION
- Diameter: 150 mm
- Thickness: 25 mm
- Substrate: BK7
- Flatness: lambda/4
- Single Or Dual Surface: Single
- Ref. Index: 1.517
- Abbe Number: 64.07
- Exp. Coefficient: 7.1 × 10-6 Per degree Celsius
- Surface Quality: 60-40 scratch-dig
- Parallelism: 1 arc min
KEY 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
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