
Analyzer, Testing Equipment
61-6872-37 Aluminum Mirror (Round shape) φ10mm Substrate Surface Flatness λ/4 TFA-10C03-4
Product Description
Product Model: 61-6872-37Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6872-37
Product Brand: SIGMAKOKI CO., LTD.
Features
- A mirror in which aluminum is deposited on a plane substrate that has been polished with high precision.
- High reflectivity can be obtained at all incident angles.
- There are two types: one is coated with aluminum film only (TFAN/TFAQN) and the other is coated with aluminum film for protection to prevent scratching (TFA/TFAQ).
- Can be ***d as a mirror for visible or near-infrared light.
- Low expansion, high rigidity and high surface accuracy mirrors (TFAQ/TFAQN) using synthetic quartz substrates are also available.
- Pyrex (R) is a registered trademark of Corning Corporation.
- * Aluminum mirrors without a protective film (TFAN/TFAQN) are prone to scratches and oxidation of the film occurs.
- * Never rub the mirror surface with paper or cloth.
- * When storing for a long time, *** a deoxidizer to prevent oxidation of aluminum.
- * When multiple mirrors are ***d to propagate light, large amounts of light are lost due to absorption of the aluminum film.
- * Use a dielectric multilayer mirror (TFM, etc.).
- * The reflectance of the specification is expressed as the average value of the reflectance of P-polarized light and S-polarized light.
- * Reflectivity may change dep***ing on the polarization state of the incident beam.
Spec
-
[
common specification]
- Material: BK7, Synthetic quartz, Hard glass (Pyrex(R) etc.)
- Coating: Al + MgF 2 (surface accuracy λ/20 is Al + SiO)
- Parallelism: <3′
- Incident angle: 45°
- Laser durability: 0.25J/cm2 (pulse width 10ns, Repeat frequency 20Hz)
- Scratch - dig: 40?20
- Effective range: 90% of the outer diameter
- [Individual specification]
- Coating: Al+MgF2
- Outer diameter φD: φ10mm
- Thickness t: 3mm
- Material: BK7
- Substrate surface accuracy: λ/4
- Back: Sand surface
- RoHS conform product
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