Analyzer, Testing Equipment
61-6871-30 Ultra Broadband Dielectric Mirror 245-400nm φ25.4mm TFMS-25.4C05-2/4
Product Description
Product Model: 61-6871-30Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6871-30
Product Brand: SIGMAKOKI CO., LTD.
Features
- A highly reflective mirror that covers a wide range of the ultraviolet and infrared bands, not just the visible band.
- It can be ***d for spectroscopic experiments involving invisible light and for propagating blackbody radiation spectra.
- Even in the ultraviolet and infrared regions, the reflectivity is higher than that of a metal film mirror.
- 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.
- 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.
- * The mirror surface has a metallic luster, but no metal is ***d.
- * Be careful not to mistake it for a metal film mirror.
Spec
-
[
common specification] - Material: BK7
- Coating: Dielectric multi-layered film
- Incident angle: 45°±3°
- Substrate surface accuracy: λ/10
- Parallelism: <3′
- Scratch - dig: 40?20
- Effective diameter: 90% of the outer diameter
- Back: Polished surface
- [Individual specification]
- Adaptive wavelength: 245 - 400nm
- Outer diameter φD: φ25.4mm
- Thickness t: 5mm
- Reflective ratio: > Average 97%
- Laser durability *: 0.5J/cm2
- *Laser pulse width 10ns, Wavelength 532nm, Repeat frequency 20Hz
- RoHS conform product
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