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30° - 60° - 90° Littrow Prisms with apex angles of 30°, 60°, and 90°, respectively. It is usually made of optical glass and has specific optical properties, which can make light reflect and refract internally, and realize the selection and separation of specific wavelengths of light.
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Fuzhou Chinaproduct orgin :
China
30° - 60° - 90° Littrow Prisms
Ray Deviation of 60° If Coated
Ideal as a Dispersion Prism if Uncoated
Optical property: Enables retroreflection
Specifications: | |
Material: | N-BK7 ; UV Fused Silica ;other optical glass |
Dimension Tolerance: | ±0.1mm(Standard) ; ±0.05mm (High precision) |
Surface quality: | 60-40 S/D(Standard); 10-5 S/D(High precision) |
Surface flatness: | λ/4@632.8nm(Standard); λ/8@632.8nm(High Precision) |
Deviation 180°: | ±3 arc min(Standard); ±30 arc sec(High Precision) |
Clear Aperture: | >85% of dimension |
Bevel: | <0.25mm×45° |
Coating: | Reflecton coating, Ar coating etc. upon requirement |
Different Shape, Glass, Coating requirement are available.
Scope of use:
(1)Spectroscopic analysis: In spectrometers, litaro prisms are often used as dispersive elements to decompose the incident composite light into monochromatic light in different directions according to different wavelengths.
(2)Laser technology: used for wavelength selection and beam shaping, selecting a specific wavelength of laser from a wide spectrum of laser output to improve the monochromaticity of the laser.
(3)Optical instrument calibration: Used to calibrate the wavelength accuracy and angular accuracy of other optical instruments.
(4)Optical Imaging: Used to adjust the optical path and improve the image quality.
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