61-6871-43 Laser Line Mirror Narrowband For 45 ° 157nm φ30mm TFM-30C03-157
Analyzer, Testing Equipment

61-6871-43 Laser Line Mirror Narrowband For 45 ° 157nm φ30mm TFM-30C03-157

model: 61-6871-43
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6871-43Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6871-43
Product Brand: SIGMAKOKI CO., LTD.

Features

  • It is a dielectric multilayer mirror with extremely high reflectivity characteristics and various wavelength characteristics.
  • A laser line-induced multi-film mirror that matches the wavelength of various lasers with the reflection band.
  • Since high reflectivity is obtained, the loss is small even when multiple mirrors are reflected, and it is ideal as a mirror for pulling a laser beam.
  • Since it is a mirror of dielectric multilayer film, it does not scratch the mirror surface and can be cleaned.
  • Since there is no absorption in the film, there is little change over time and it can withstand continuous laser irradiation.
  • Use a 0°-45° inductive multi-film planar mirror (TFVM) when using at an incident angle of 0° or 45° or less.
  • We also have a Surface Accuracy Guarantee Mirror (HTFM) that guarantees surface accuracy after coating.
  • * Reflectance wavelength characteristics of dielectric multilayer films vary dep***ing on the polarization state of the incident beam.
  • * P-polarized light has a lower reflectivity and a narrower reflection band than S-polarized light.
  • * The reflectance of the specification is expressed as the average value of the reflectance of P-polarized light and S-polarized light.
  • Reflectivity may be low when the camera is ***d at an incidence angle other than 45°.
  • Reflectivity may be low when the watch is ***d at wavelengths other than the adaptive wavelength.

Spec

  • [

    common specification]
  • Material: BK7 (only TFM-157 CaF 2 crystalline)
  • Coating: Dielectric multi-layered film
  • Incident angle: 45°±3°
  • Substrate surface accuracy: λ/10, Optical polishing (TFM-157)
  • Parallelism: <3′
  • Scratch - dig: 10?5 ( TFM-157: 40?20)
  • Effective diameter: 90% of the outer diameter
  • [Individual specification]
  • Adaptive wavelength: 157nm
  • Outer diameter φD: φ30mm
  • Thickness t: 3mm
  • Reflective ratio: >95.0%
  • Laser durability *: 0.5J/cm2
  • Back: Polished surface
  • *Laser pulse width 20ns, Repeat frequency 20Hz
  • RoHS conform product

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