61-6872-25 Gold Flat Mirror φ20mm Glass Round TFG-20C05-10
Analyzer, Testing Equipment

61-6872-25 Gold Flat Mirror φ20mm Glass Round TFG-20C05-10

model: 61-6872-25
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6872-25Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6872-25
Product Brand: SIGMAKOKI CO., LTD.

Features

  • It is a total reflection mirror coated with a high reflectivity gold film in a wide band in the near infrared and infrared region.
  • The chromium film is very thinly undercoated to strengthen the film adhesion of the gold film.
  • Silicon substrates have very strong adhesion of gold film, high thermal conductivity (approximately 111 times better heat dissipation than glass), and superior heat resistance compared to glass substrates.
  • Since it is a metal coating, the reflectivity and reflectivity wavelength characteristics do not change significantly dep***ing on the incident angle.
  • Gold coat has very high reflectivity in the infrared.
  • Any light that is not reflected is absorbed by the film and does not pass through.
  • We also offer an ultra-wideband dielectric mirror (TFMS-4/20) that does not absorb film.
  • Pyrex (R) is a registered trademark of Corning Corporation.
  • * When using with a high power laser, it is necessary to cool the substrate using a gold mirror (TFGS) of the silicon substrate.
  • * It is strictly prohibited to wipe the gold film with paper or cloth.
  • * If you touch the membrane, it will scratch.
  • * Use an air blower to clean the membrane surface.
  • * The reflectance of the specification is expressed as the average value of the reflectance of P-polarized light and S-polarized light.

Spec

  • [

    common specification]
  • Material: BK7, Hard glass (Pyrex(R) etc.), Silicone crystalline
  • Coating: Cr (chromium) +Au (gold)
  • Parallelism: <3′
  • Scratch - dig: 40?20
  • Effective range: Circle inscribed to 90% of outer diameter or 90% of outer dimensions of square
  • Laser durability: 1.2kW/cm2 CW laser
  • [Individual specification]
  • Type: Glass round type
  • Outer diameter φD: φ20mm
  • Thickness t: 5mm
  • Substrate surface accuracy (wavelength of 632.8nm): λ/10
  • Substrate surface accuracy (10.6μm conversion): λ/160
  • Material: BK7
  • Back: Sand surface
  • RoHS conform product

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