Analyzer, Testing Equipment
61-6948-96 Sapphire Plano Convex Lens Focal Length 50mm SLSH-25-50P
Product Description
Product Model: 61-6948-96Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6948-96
Product Brand: SIGMAKOKI CO., LTD.
Features
- Sapphire crystals are transparent crystals with no absorption at infrared wavelengths from visible to 5 μm. Sapphire crystals are also very hard and scratch resistant. It is a single lens made of this sapphire crystal.
- Sapphire crystals are chemically very stable and are ***d in field optics.
- Since there is no absorption by water (OH group) (1.4 μm, 2.2 μm, 2.7 μm), it can be ***d in the lens of near-infrared analyzer.
- Sapphire is completely harmless to the human body, so it is safe to ***.
- Gem sapphire is made by mixing metal ions such as iron and titanium into natural sapphire crystals.
- Artificial sapphire crystals are colorless and transparent.
- * The surface is not coated with an anti-reflection film.
- * The transmittance is about 86.5% due to the loss ca***d by surface reflection (7.7% per surface).
Spec
-
[
common specification]
- Material: for optical *** sapphire crystal (1 axial crystal)
- Design wavelength: 546.1nm
- Coating: No coat
- Shape: Spherical surface flat convex, double-side polishing surface
- Eccentricity: ＜10′
- Effective diameter: 90% of the outer diameter
- Scratch - dig: 60-40
- [Individual specification]
- Focus distance f: 50mm
- Back focus fb: 47.7mm
- Edge thickness te: 2.0mm
- Center thickness tc: 4.1mm
- RoHS conform product
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