61-6938-17 Wedged Substrate φ10mm Thickness 5mm Surface Flatness λ/10 WSB-10C05-10-1
Analyzer, Testing Equipment

61-6938-17 Wedged Substrate φ10mm Thickness 5mm Surface Flatness λ/10 WSB-10C05-10-1

model: 61-6938-17
brand: SIGMAKOKI CO., LTD.

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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