
Analyzer, Testing Equipment
61-6923-26 Cylindrical Plano-Concave Lens BK7 10 x 10mm Focal Length -15mm CLB-1010-15N
Product Description
Product Model: 61-6923-26Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6923-26
Product Brand: SIGMAKOKI CO., LTD.
Features
- Cylindrical flat concave lenses (cylindrical flat concave lenses) have the curvature of a concave lens in the vertical direction and no curvature in the horizontal direction.
- It is ***d in combination with cylindrical plano-convex lenses to shape elliptical beams of semiconductor lasers into circular beams.
- A lens made by BK7 for the visible to near-infrared range.
- Three types of lenses with anti-reflection films are also available in the visible, near-infrared and infrared ranges.
- By using a cylindrical lens in the optical system, the beam shape and the aspect ratio of the illumination light can be deformed.
- A cylindrical lens holder (CHA) is available for fixing cylindrical lenses.
- * Cylindrical flat concave lenses have chromatic aberration, and the focal length dep***s on the wavelength.
- Cylindrical flat concave lenses allow light to enter in certain directions.
- * Be sure to allow parallel light to enter from the concave side.
- * Doing the reverse operation will ca*** the spherical aberration to increase and may result in poor optical performance.
- * The transmittance of the uncoated product is about 90% due to the loss ca***d by the reflection of the front and back of the lens.
Spec
-
[
common specification]
- Material: BK7
- Design wavelength: 546.1nm
- Refractive index: n e=1.519
- Coating: No coat
- Effective diameter: Circle or ellipse inscribed to 90% of rectangle against outer dimensions
- Scratch - dig: 20-10
- [Individual specification]
- Reflective prevention film coat wavelength region: No coat
- A x B: 10 x 10mm
- Focus distance f: ?15mm
- Edge thickness te: 4mm
- Center thickness tc: 2.2mm
- Back focus fb: ?16.4mm
- Curvature half diameter r: 7.79mm
- RoHS conform product
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