
Analyzer, Testing Equipment
61-6938-17 Wedged Substrate φ10mm Thickness 5mm Surface Flatness λ/10 WSB-10C05-10-1
Product Description
Product Model: 61-6938-17Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6938-17
Product Brand: SIGMAKOKI CO., LTD.
Features
- By attaching a slight wedge to the front and back sides of the board, the reflected beam by the front and back sides can be separated.
- It can be ***d as a reference source for beam samplers and interferometers.
- It can also be ***d as a prism that refracts at a small angle.
- The beam declination angle δ can be determined from the refractive index n and the wedge angle α.
- δ = sin−1 (n sinα) − α ≒ (n −1) α
- 0.52 times the wedge angle for BK7 and 0.46 times for synthetic quartz.
- (Visible, normal incidence) • Synthetic quartz types that can be ***d in a wide wavelength range from ultraviolet to infrared, and synthetic quartz types for Kr* F excimer lasers (248 nm) are available.
- The wedge board is marked with a surface arrow at the thickest point.
- We also have a beam sampler (BS4) with an anti-reflection coating on the back. *Both sides of the wedge board are not coated.
- * The surface of the glass reflects 3.5% to 4%.
- * When a wedge substrate is inserted into the optical path of the laser beam, the transmitted beam is refracted and slightly inclined.
Spec
-
[
common specification]
- Material: BK7
- Effective diameter: 90% of the outer diameter
- [Individual specification]
- Material: BK7
- Outer diameter φD: φ10mm
- Thickness t: 5mm
- Surface accuracy: λ/10
- Wedge angle degrees W: 1°±5′
- Scratch - dig: 10?5
- RoHS conform product
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