Our Terahertz Visible Beamsplitter is 2 in. diameter with an ITO coating optimized for reflecting terahertz wavelengths and transmitting visible wavelengths. Ideal for beam combining or separation, the substrate is made of high quality N-BK7 glass with the front surface optimized for terahertz wavelengths and the back side coated with a broadband antireflection coating optimized for visible wavelengths.
ITO front surface optimized for 1-120 Thz
AR coated back surface for visible wavelengths
High quality N-BK7 substrates
Beamsplitting ratio maintained over wide wavelength range
Additional drawings are not available for this product.
Specifications
Diameter
50.8 mm
Reflectance Band
1-120 Thz
Material
Grade A N-BK7
Transmittance Band
450-800 nm
Angle of Incidence
45 °
Damage Threshold
700 W/cm2 CW, 20 mJ/cm2 @ 10 ns pulses
Surface Quality
40-20 scratch-dig
Thickness
6.0 mm
Features
Reflecting Terahertz Wavelengths
ITO or Indium Tin Oxide is used to coat the front surface. This ITO material is very effective in reflecting terahertz wavelengths.
Transmitting Visible Wavelengths
The beamsplitter is made of high-quality N-BK7 glass with good index homogeneity and low bubble inclusion. The backside is coated with a broadband antireflection coating optimized for transmitting visible wavelengths.
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