
Analyzer, Testing Equipment
61-6927-31 Ultra-Violet Achromat Focal Length 100.1mm UDL-30-100P
Product Description
Product Model: 61-6927-31Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6927-31
Product Brand: SIGMAKOKI CO., LTD.
Features
- Achromatic condensing lens with reduced focal length deviation in the ultraviolet range (200~400 nm).
- It can be ***d to collect multi-wavelength lasers in the ultraviolet region and observe ultraviolet emission images.
- When the NA is 0.1 or less, the laser collimated light can be narrowed down to the spot diameter of the diffraction limit.
- No glass or adhesive absorbs ultraviolet light, so it has excellent light resistance.
- * Use the condenser lens when you want to focus an object at infinity, or when you want to *** the point light source as parallel light.
- Sufficient optical performance cannot be obtained when the camera is ***d for close-range imaging.
- * The condenser lens has an orientation that allows light to enter.
- * Be sure to allow parallel light to enter from the upper side (look at the engraving on the side of the lens barrel upright).
- * Doing so can ca*** chromatic aberration and spherical aberration to become large, which can increase the size of the focus spot, and can ca*** blurred images.
- Chromatic aberration and transmittance are reduced when the camera is ***d outside the specified wavelength range.
- * When using with a high power laser or near a high heat source, the focusing lens may become hot and the focal length of the focusing lens may change.
- * Heat dissipation measures are necessary when irradiating for a long time.
- * If you want to reduce the condensing spot diameter, widen the incident beam diameter (1/e^2) to about half the effective diameter of the condensing lens.
- Surface reflection (3~4%) of the lens ca***s a transmission loss of about 13%.
Spec
-
[
common specification] - Material: Synthetic quartz for excimer laser- (air gap) - for ultraviolet CaF 2
- Design wavelength: 200nm, 308nm, 400nm
- Coating: No coat
- Incident allowable angle: ±1°
- [Individual specification]
- Focus distance f: 100.1mm
- Outer diameter φDc: φ34mm
- Effective diameter φDe: φ27mm
- Length L: 13mm
- NA : 0.14
- WD : 92.5mm
- RoHS conform product
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