“Glapola-Cube” is a cube-shaped PBS with a glass polarizer “Glapola®” sandwiched between right-angle prisms.
Polarization separation coating is applied to the prism interface to achieve an extinction ratio over 60 dB.

・　Wavelengths: 488 to 1600 nm
・　Glass material: Glaplola / BK7
・　Transmission efficiency: Tp> 80%
・　Reflection efficiency: Rs> 99%
・　Extinction ratio: Tp / Ts> 60dB