Custom Size BK7 Cube Beamsplitter, AR Coated

Product description

This polarizing beamsplitter is designed for applications in laser and imaging systems, providing a broadband multi-wavelength splitting capability across 400 nm to 2000 nm. Its epoxy-free structure ensures high laser damage thresholds and excellent durability, making it suitable for various light sources without the need for prism replacements. The beamsplitter’s superior polarization splitting purity and minimal wavefront distortion enhance performance in optical paths and imaging systems.

Key Features

Broadband multi-wavelength compatibility (400 nm - 2000 nm) for versatile applications.
Ultra-high extinction ratio (1000:1) ensures superior polarization splitting purity.
Epoxy-free structure increases durability and laser damage threshold (>5 J/cm²).
High transmittance (>95%) with low energy loss for efficient performance.
Custom sizes and wavelengths available via OEM, supporting diverse project needs.

Applications

Laser, Imaging

Specification Summary

Item	Value
Material	BK7
Shape	Cube
Size	Custom
Thickness	Custom
Coating	anti-reflective (AR)
Transmission bands	SWIR (1.7-3 μm), NIR (0.7-1.7 μm), VIS (400-700 nm), UV (<400 nm)

Full Specifications

Parameter	Value
Prism Type	Polarizing
Customized Support	OEM, ODM, OBM
Wavelength Range	400nm-2000nm, 400-700nm, 620-1000nm, 1200-1600nm
Materail	Fused Silica/ZF3
Transmission	TP > 95%,Ts<0.1%
Reflection	RS avg > 99%,Rp<5%
Flatness	1/4 @ 632.8nm per25mm
Laser Damage Threshold	>5J/cm2,20ns,20Hz,@1064nm
Extinction Ratio	1000:1

FAQ

Is custom sizing available?

Yes, custom sizes and wavelength bands are available through OEM support.

What is the laser damage threshold?

The laser damage threshold is greater than 5 J/cm² at 20 ns and 20 Hz at 1064 nm.