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Rochon Polarizer
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Equipment goods

Rochon Polarizer

Quantity : 999

Rochon polarizer is one of the earliest designs, which is made of two birefringent material prisms cemented together. Both ordinary and extraordinary beams propagate collinearly down the optic axis in the first prism under the ordinary refractive index. Upon entering the second prism the ordinary beam experiences the same refractive index and continues undeviated. The extra-ordinary beam, however, now has a lower refractive index and is refracted at the interface. The angle of refraction is further increased at the birefringent material/air exit surface. Any separation angle can be designed for specific wavelength upon the requirement. The separation angle of standard products vs wavelength is shown in the plot below.
Separation Angular of Standard Products vs Wavelength
Specifications：
Material
a -BBO, MgF2, YVO4 or Quartz
Wavelength Range
a -BBO: 200-3500 nm, MgF2: 130-2300 nm, YVO4: 400-5000 nm, Quartz: 200-2300 nm
Extinction Ratio
Quartz: <5x10-5 ; a -BBO,YVO4: <5x10 -6; MgF2: <5x10-6</div>
Parallelism
<1 arc Min</div>
Surface Quality
20/10
Beam Deviation
< 3 arc minutes
Wavefornt Distortion
l/4@633nm
Damage Threshold
>500 MW/cm2
Coating
Single Layer MgF2
Mount
Black Anodized Aluminium
1. a-BBO Rochon Polarizer
Part NO.
Wavelength Range(nm)
Extinction Ratio
Separation Angle
C.A. φa
(mm)
O.D.φd
(mm)
L(mm)
PRH1006
190~2300nm
<5×10-6</div>
8°@1064nm
6.0
15.0
15.0
PRH1008
8.0
25.4
17.0
PRH1010
10.0
25.4
19.0
PRH1015
15.0
30.0
23.0
PRH1020
20.0
38.0
29.0
2. YVO4 Rochon Polarizer
Part NO.
Wavelength Range(nm)
Extinction Ratio
Separation Angle
C.A. φa
(mm)
O.D.φd
(mm)
L(mm)
PRH3006
400~4000nm
<5×10-6</div>
10°@1550nm
6.0
15.0
15.0
PRH3008
8.0
25.4
17.0
PRH3010
10.0
25.4
19.0
PRH3015
15.0
30.0
23.0
PRH3020
20.0
38.0
25.0
3. Quartz Rochon Polarizer
Part NO.
Wavelength Range(nm)
Extinction Ratio
Separation Angle
C.A. φa
(mm)
O.D.φd
(mm)
L(mm)
PRH4006
200~2300nm
<5×10-5</div>
1°@1064nm
6.0
15.0
20.0
PRH4008
8.0
25.4
24.0
PRH4010
10.0
25.4
28.0
PRH4015
15.0
30.0
38.0
PRH4020
20.0
38.0
48.0
4. MgF2 Rochon Polarizer
Part NO.
Wavelength Range(nm)
Extinction Ratio
Separation Angle
C.A. φa
(mm)
O.D.φd
(mm)
L(mm)
PRH5006
110~8000nm
<5×10-5</div>
1°@980nm
6.0
15.0
14.0
PRH5008
8.0
25.4
18.0
PRH5010
10.0
25.4
18.0
PRH5015
15.0
30.0
38.0
PRH5020
20.0
38.0
48.0

Location : 118 Yangqiao Road West,Fuzhou,350002,P.R.China, china fujian ,
Contact : amiee ye,

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