CSMH-25-405 Half Mirror

[Features]
· A cube type half mirror where unpolarized light such as white light and LED light sources splits equally into transmitted light and reflected light.
· Achieves accurate branching characteristics in a wide wavelength band in white light and LED light sources.
· Dielectric multilayer film is used for the coating, so loss of light intensity is minimal, allowing effective light separation.
· Cube type, so if the beam is input vertically, the optical axis of the output light will not move in parallel.
· Also, even if a beam that is the same size as the effective diameter is incident, the transmitted light and reflected light will not be lost or reduced. * Irradiate from the prism side marked with a ○.
· * If light enters from the prism of the opposite side, reflectance and reflectance wavelength characteristics may vary.
· * When linearly polarized light such as laser light is used, reflectance and transmittance change greatly depending on the polarization direction.
· * When adjusting the branching ratio to 1:1, ensure the direction of polarization is set to 45 degrees or use circular polarization of light.
· * Phase differences of incident light are not preserved in reflected light and transmitted light.
· * Use a wave plate for phase difference compensation.
· * Due to the impact of the refractive index of the material and thickness of the glass, wavelength dispersion occurs for transmitted light and reflected light.
[Product Specifications]
· [ Common Specifications]
· Material: BK7
· Base Material Surface Accuracy: λ/4
· Transmitted Beam Deflection Angle: < 5'
· Coating: Inclined Surface Dielectric Multilayer Film, 4 Sides Anti-Reflective Film
· Incidence Angle: 0°
· Branching Ratio (Reflection: Transparency): 1:1
· Polarization conditions of incident light: Unpolarized light, linearly polarized light at 45° azimuth or circularly polarized light
· Laser Yield Strength: 0.3 J/cm2 (Pulse Width 10 ns, Repetition Frequency 20 Hz)
· Scratch-Dig: 20-10
· Effective range: Circle inscribed in the square that makes up 85% of the external diameter (A = B = C ≤ 7 mm: Circle inscribed in the square that makes up 80% of the external diameter)
· [Individual Specifications]
· Compatible Wavelength: 390 to 410 nm
· A=B=C: 25 mm
· Transmittance (Average Value of P and S Polarized Light): Average Value 50 ±3%