Analyzer, Testing Equipment
61-6949-49 [Discontinued]Achromatic Cylinder Lens Focal Length 25mm CDL-1515-25PM
Product Description
Product Model: 61-6949-49Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6949-49
Product Brand: SIGMAKOKI CO., LTD.
Features
- By combining two cylindrical lenses with different refractive index wavelength dispersion into a single lens, thin lines close to the theoretical limit can be created.
- Cylindrical plano-convex lenses (CLB-P) are recomm***ed if you are concerned about color blurring or line blur.
- It is designed to reduce defocus in the entire range of visible light.
- Since the direction of the condensing line is parallel to the outer diameter side (B), optical adjustment is easy.
- It can be ***d as a substitute for a slit in a spectrometer.
- A cylindrical lens holder (CHA) is available for securing the acromatic cylinder lens.
- * The acromatic cylinder lens has a direction that allows parallel light to enter.
- * This function allows parallel light to enter from the side of the face with a small radius of curvature (the face pointed to by the arrow).
- * When parallel light is applied from the opposite side, the condensing line becomes thicker.
- * In the bus direction (B direction), there is no effect of the achromatic lens, no characteristic to reduce aberration, and no ability to collect light.
- * The light from the ray beam is incident on the achromatic cylinder lens and does not become parallel light.
- * Diverges in the bus direction (B direction).
- * In order to focus the light on a narrow line, it is necessary to allow high quality parallel light to enter the lens.
Spec
-
[
common specification]
- Material: N-SF5/BK7
- Design wavelength: Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
- Coating: Reflective prevention film
- Adhesive: Ultraviolet curing type adhesive
- Laser durability: 0.3J/cm2 (pulse width 10ns, Repeat frequency 20Hz)
- Scratch - dig: 60-40
- Effective diameter: Circle inscribed in a rectangular of 90% of the dimensions
- [Individual specification]
- A x B: 15 x 15mm
- Focus distance f: 25mm
- Edge thickness te: 6.4mm
- Center thickness tc: 9mm
- Back focus fb: 18.22mm
- RoHS conform product
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