
Analyzer, Testing Equipment
61-6938-05 Low Scattering Optic φ25.4mm Thickness 5mm Surface Flatness λ/10 OPSQSP-25.4C05-10-5
Product Description
Product Model: 61-6938-05Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6938-05
Product Brand: SIGMAKOKI CO., LTD.
Features
- Surface roughness was reduced to 0.2 nm (Ra) or less by special polishing of parallel planar substrates.
- It can be ***d as a substrate for high-power laser mirrors and X-ray mirrors, where the influence of substrate scattering is concerned.
- Use the wedge type when you are concerned about the effect of backside reflection such as a beam splitter.
- CaF2 (calcium fluoride) and MgF2 (magnesium fluoride) have high permeability in the ultraviolet and infrared regions.
- It is a nearly ideal substrate that is machined with high surface roughness (micro irregularities) and high surface accuracy (flatness of the entire surface).
- * Both sides of the low scattering substrate are not coated.
- * The surface of the glass reflects 2.5% to 4%.
- * When the wedge type is ***d for transmission, the beam is inclined by about 0.5 degrees.
- * CaF2 scratches easily and cannot be wiped with paper.
- * Use an air blower to remove dust and dirt.
- * If CaF2 or MgF2 is left in a high humidity environment for a long time, the surface will become rough.
- * When not in ***, store in an environment with low humidity such as auto dry.
Spec
-
[
common specification]
- Material: Synthetic quartz for ultraviolet CaF 2 MgF 2
- Surface roughness: <0.2nm (Ra)
- Effective diameter: 90% of the outer diameter
- [Individual specification]
- Type: Parallel flat surface
- Outer diameter φD: φ25.4mm
- Thickness t: 5mm
- Material: Synthetic quartz
- Surface accuracy: λ/10
- Parallelism: <5″
- Scratch - dig: 10?5
- RoHS conform product
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