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Custom Made Sapphire Glass Dove Prism

28 Sep 2022

Custom Made Sapphire  Glass Dove Prism

Dove Prisms are used as image rotators in a variety of opto-mechanical systems. They are a truncated form of the right angle prism, and use total internal reflection (TIR) to produce an inverted image which emerges from the exit surface without deviation.

As the prism is rotated about its optical axis, the image will rotate at twice the angular rate of the prism. Since the length of the prism is approximately four times the height, the incident light must be parallel or collimated.

For applications in which the hypotenuse cannot be kept sufficiently clean for TIR, a metal or dielectric coating can be applied to the hypotenuse

specification:

Material optical glass
Design Wavelength 632.8 nm
Surface Figure λ/2
Diameter Tolerance +0.1, -0.1 mm
Thickness Tolerance ±0.2 mm
Paraxial Focal Length ±2%
Centration <3 arc minutes
Clear Aperture >85%
Surface Quality 60-40 scratch and dig
Protective Bevel 0.25 mm x 45°

CONTACT DETAILS
Changchun Yutai Optics Co., Ltd.
NO.1688
changshen road
qiche zone
Changchun
Jilin
130000
China
Tel: 86-431-87911611
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