61-6947-62 Surface Accuracy Guaranteed Mirror 248nm φ12.7mm HTFM-12.7C08-248
Analyzer, Testing Equipment

61-6947-62 Surface Accuracy Guaranteed Mirror 248nm φ12.7mm HTFM-12.7C08-248

model: 61-6947-62
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6947-62Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6947-62
Product Brand: SIGMAKOKI CO., LTD.

Features

  • By optimizing the material, thickness and coating conditions of the substrate, we have achieved a mirror with high surface accuracy.
  • Assures surface accuracy λ/10 after coating.
  • It has higher surface accuracy (after coating) than conventional inductive multi-film planar mirrors (TFM).
  • Synthetic quartz is ***d as the substrate, and the thickness of the substrate is increased to increase the rigidity of the substrate.
  • We have a lineup of mirrors with high reflectivity for each wavelength of ultraviolet laser and YAG laser.
  • HTFM-MHG is also available with a mirror glued to the holder to guarantee surface accuracy.
  • * 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.
  • Reflectance may be low when ***d at angles other than 45°.
  • Reflectivity may be low when the watch is ***d at wavelengths other than the adaptive wavelength.
  • * Surface accuracy guarantee data is not attached to the product.

Spec

  • [

    common specification]
  • Material: Synthetic quartz
  • Coating: Dielectric multi-layered film
  • Incident angle: 45°±3°
  • After coat surface accuracy: λ/10
  • Parallelism: <3′
  • Scratch - dig: 10?5
  • Effective diameter: 80% of the outer diameter
  • Back: Polished surface
  • [Individual specification]
  • Adaptive wavelength: 248nm
  • Outer diameter φD: φ12.7mm
  • Thickness t: 8mm
  • Reflective ratio: >99.2%
  • Laser durability *: 2J/cm2
  • *Laser pulse width 10ns, Repeat frequency 20Hz
  • RoHS conform product

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