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Beamsplitter Cubes
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Beamsplitter cubes is formed by coating on the hypotenuse of right angle prism, then cementing a same right angle prism, which can avoid astigmatism of the flat beam splitter, and the coating is not directly exposed, making it less prone to damage and corrosion. Compared with a flat beam splitter, the reflected and transmitted light paths of a beam splitter prism are equal.
Parameter Ranges:
Dimensional Tolerance: +/-0.2mm
Surface Quality：60 - 40
Flatness：1/4 Lambda@632.8nm
Clear Aperture：>90%
Beam Deviation：＜ 3’
Bevel：0.2 mm x 45°
Coating: beam splitter coating on hypotenuse surface, AR coating on emitted and incident surfaces
Splitting ratio accuracy: ±5%，T=(Ts+Tp)/2，R=(Rs+Rp)/2
Damage threshold: >500mJ/cm2，20ns，20Hz，@1064nm
The Principle and Application of Beamsplitter Cubes
The principle of beamsplitter cubes is based on the dispersion properties of light. When light passes through a cube prism, different wavelengths of light will refract at different angles, thus achieving light decomposition. Beamsplitter cubes are widely used in fields such as spectral analysis, optical communication, optical microscopy, and calibration of optical instruments, and are mainly used in cameras, projectors, periscopes, telescopes, etc.
JT Optics Advantages
• Precise angular deviation to meet customer's requirements
• Rapid prisms prototyping to mass production
• High reflectivity with metal and dielectric coatings
• Competitive price and experienced processing team
Beamsplitter Cubes
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