A plate type (mirror-type) beamsplitter is an optical window with semi-transparent mirrored coating to break a beam into two or more separate beams. A beamsplitter will reflect a portion of the incident energy, absorb a relatively small portion, and transmit the remaining energy. Beamsplitter plates have very neutral color characteristics and are often referred to as beam-splitters plate.
We supply optical beamsplitter.
Specification of our beam-splitter as follow:
Material:BK7 Grade Aoptical glass
Dimension Tolerance: ±0.2mm
Clear Aperture:>90%
Flatness :λ/4@632.8nm
Beam Deviation :<3 arc minutes
Surface Quality: 60/40
Coating Partial reflectance on hypotenuse face
AR coating on all entrances
T/R ±5%, T=(Ts+Tp)/2, R=(Rs+Rp)/2
Standard Wavelength: 532, 633, 650, 780, 850, 980, 1064nm
450-650nm, 650-900nm, 900-1200nm
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