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