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Beamsplitter Plate
beamsplitter penta prism
beamsplitter cube
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 ( see reflection %), absorb a relatively small portion, and transmit the remaining energy (see transmission %). Beamsplitter plates have very neutral color characteristics and are often referred to as beam-splitters plate.
Capacity:
Material: N-BK7 or N-SF1
Dimension Tolerance: ±0.2 mm
Beam Deviation:
Surface Figure: λ/4
Surface Quality: 60-40
Splitting Ratio: 50/50±5%, T=(Ts+Tp)/2, R=(Rs+Rp)/2
Coating: S1: Partial Reflectance Coating
S2: Anti Reflection coating
Specification:
Material |
Float white glass |
Dimension Tolerance |
±0.2 mm |
Thickness Tolerance |
±0.2 mm |
Clear Aperture |
>85% |
Surface Quality |
60-40 scratch and dig |
Parallelism |
|
Flatness |
λ/4 per 25 mm @632.8 nm |
T/R |
50/50+/-5%, for random polarization |
Protective Bevel |
|
Coating |
Incidence angle: 45° S1: Single wavelength partial reflectance S2: V type AR-coatings |
Narrowband Beamsplitter Plate Standard Products:
Wavelength(nm) |
532,632.8,635,670,780,850,980,1064,1300,1550 |
||
Part No. |
TNB501 |
TNB502 |
TNB503 |
Size(mm) |
12.7x12.7x2 |
25x25x2 |
50x50x2 |
Note: Other material, size and wavelength are available upon request.
Broadband Beamsplitter Plate
Specification:
Material |
Float white glass |
Dimension Tolerance |
±0.2 mm |
Thickness Tolerance |
±0.2 mm |
Clear Aperture |
>85% |
Surface Quality |
60-40 scratch and dig |
Parallelism |
|
Flatness |
λ/4 per 25 mm @632.8 nm |
T/R |
50/50+/-5%, for random polarization |
Protective Bevel |
|
Coating |
Incidence angle: 45° S1: Broadband Partial Reflectance S2: BBAR-coatings |
Broadband Beamsplitter Plate Standard Products:
Wavelength(nm) |
450-650, 650-900, 900-1200, 1200-1550 |
||
Part No. |
TBB101 |
TBB102 |
TBB103 |
Size(mm) |
12.7x12.7x2 |
25x25x2 |
50x50x2 |
Note: Other size and wavelength are available upon request.
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