61-6871-12 Dielectric Mirror For High Power Laser φ25.4mm 193nm TFMHP-25.4C05-193
Analyzer, Testing Equipment

61-6871-12 Dielectric Mirror For High Power Laser φ25.4mm 193nm TFMHP-25.4C05-193

model: 61-6871-12
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6871-12Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6871-12
Product Brand: SIGMAKOKI CO., LTD.

Features

  • A mirror for *** in high-energy pulsed Nd-YAG laser (or Yb-YLF laser) and excimer laser optics.
  • Mirrors ranging from the fundamental wave (1064 nm) to the 4 times wave (266 nm) and mirrors for Ar* F (193 nm) and Kr* F (248 nm) excimer lasers are available according to the wavelength of the YAG laser.
  • High reflectivity is obtained, so light intensity is not greatly attenuated when multiple mirrors are reflected.
  • Since it ***s a dielectric multilayer film without absorption, it can withstand continuous irradiation by a high-power laser.
  • The laser capacity was tested 200 on 1 in accordance with ISO21254.
  • We also have a Surface Accuracy Guarantee Mirror (HTFM) that guarantees surface accuracy after coating.
  • * Before ***, make sure that the energy density of the incident laser beam does not exceed the laser capacity.
  • * If the laser beam is narrowed by a lens or concave reflection, the energy density may exceed the laser capacity and the mirror may be damaged.
  • * When the light intensity of the incident beam is large, the beam may pass through the mirror (transmission ratio is 1% or less).
  • * Be sure to *** a light shielding plate on the rear side of the mirror to block stray light.
  • Ultraviolet mirrors may emit fluorescence.
  • * 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 watch is ***d at wavelengths other than the adaptive wavelength.

Spec

  • [

    common specification]
  • Material: BK7
  • Coating: Dielectric multi-layered film
  • Incident angle: 45°±3°
  • Substrate surface accuracy: λ/10
  • Parallelism: <3′
  • Scratch - dig: 10?5
  • Effective diameter: 90% of the outer diameter
  • Back: Polished surface
  • [Individual specification]
  • Adaptive wavelength: 193nm
  • Outer diameter φD: φ25.4mm
  • Thickness t: 5mm
  • Reflective ratio: >95%
  • Laser durability *: 2J/cm2
  • *Incident angle 0°, Laser pulse width 10ns, Repeat frequency 20Hz
  • RoHS conform product

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