Non-polarizing plate beamsplitter
Non-polarizing plate beamsplitter

Non-polarizing plate beamsplitter

2020-03-17 15:42:06   12

Cemented cube beamsplitters fail in most of high power laser applications due to epoxy layer and hybrid origin of coatings, where chromium or other types of metals are used. OPTOMAN introduces all dielectric Non-Polarizing Plate Beamsplitter, which is virtually insensitive to the polarization of the incoming beam.

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Specifications:
S and P polarization components matched to within 5%. With 5% being typical tolerance, OPTOMAN can match S and P components to within 1% for most demanding applications.
Back surface AR coated to eliminate ghosting. Front surface is coated with multilayer all dielectric coating while the back face is coated with anti-reflective coating to minimize reflection losses and eliminate ghost images.
30 arcmin wedge eliminates unwanted internal fringes. Slight wedge helps to eliminate back reflection to the laser and unwanted interference fringes, which might appear in the image.
High Laser Damage Threshold. Non-polarizing beamsplitter coating is all dielectric coating and it features laser damage threshold much higher than hybrid metallic-dielectric non-polarizing beamspliter cubes, for example >10 J/cm2 @ 1064 nm, 20 ns, 20 Hz.
Customizations:
IRs-IRp down to <1%.
Custom reflectance and transmittance split ratio.
Optimization for ultrashort pulse applications.
Diameter from 5mm up to 101.6mm
Spectral range from 200nm up to 3000nm.

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