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Beamsplitter Plate
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: <5 minute
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
Beamsplitter Plate.jpg 

 

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

< 1 arc minute

Flatness

λ/4 per 25 mm @632.8 nm

T/R

50/50+/-5%, for random polarization
T=(Ts +Tp)/2, R=(Rs + Rp)/2

Protective Bevel

<0.25 mm x 45°

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

Broadband Beamsplitter Plate.jpg

 

 

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

< 1 arc minute

Flatness

λ/4 per 25 mm @632.8 nm

T/R

50/50+/-5%, for random polarization
T=(Ts+Tp)/2, R=(Rs+Rp)/2

Protective Bevel

<0.25 mm x 45°

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.

Others
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