Nonlinear LBO Crystal

Optical alpha-BBO & YVO4 Rochon Polarizer

Rochon Polarizer is the earliest polarizer, which is made of two birefringence material prisms that are cemented together. This type polarizer separates incident beam into ordinary ray and extra-ordinary ray like Wollaston Polarizer, but the extra-ordinary ray is straight transmitted through, while ordinary is transmitted with a deviation angle.


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products Details

Item: Rochon Polarizer

Features:
Optical Cemented
High Polarization Purity 
Suitable for Low or High Power Application

 

Material:

MgF2,α-BBO, Calcite ,YVO4 or Quartz

Wavelength Range:

MgF2:130-4000nm; α-BBO:190-3500nm; YVO4:400-4000nm; Quartz:200-2300nm

Extinction Ratio:

MgF2:<5×10-6; α-BBO:<5×10-6; YVO:<5×10-6;

Quartz:<5×10-5

Surface Quality:

10/20

Beam Deviation:

<3 arc minutes

Wavefornt Distortion:

λ/4@633nm

Damage Threshold:

>500MW/cm2

Coating:

Single Layer MgF2

MgF2

Par. No.

Wavelength Range(nm)

Extinction
Ratio

Angular Field(°)

C.A.(φa)±0.1
(mm)

O.D.(φd)±0.1
(mm)

L±0.1
(mm)

PCR5006

130-4000nm
(Coating@532nm)

<5×10-6

1.35°@532nm

6.0

15.0

14.0

PCR5008

8.0

25.4

18.0

PCR5010

10.0

25.4

18.0

PCR5015

15.0

30.0

38.0

PCR5020

20.0

38.0

48.0

α-BBO Rochon Polarizer

Par. No.

Wavelength Range(nm)

Extinction
Ratio

Angular Field(°)

C.A.(φa)±0.1
(mm)

O.D.(φd)±0.1
(mm)

L±0.1
(mm)

PCR6006

190-3500nm
(Coating@800nm)

<5×10-6

8.0-14°
8.05°@800nm

6.0

15.0

14.0

PCR6008

8.0

25.4

18.0

PCR6010

10.0

25.4

18.0

PCR6015

15.0

30.0

23.0

PCR6020

20.0

38.0

28.0

YVO4 Rochon Polarizer

Par. No.

Wavelength Range(nm)

Extinction
Ratio

Angular Field(°)

C.A.(φa)±0.1
(mm)

O.D.(φd)±0.1
(mm)

L±0.1
(mm)

PCR8006

400-4000nm
(Coating@1550nm)

<5×10-6

9.8-13°
8.05°@800nm

6.0

15.0

14.0

PCR8008

8.0

25.4

18.0

PCR8010

10.0

25.4

18.0

PCR8015

15.0

30.0

20.0

PCR8020

20.0

38.0

25.0

Quartz Rochon Polarizer

Par. No.

Wavelength Range(nm)

Extinction
Ratio

Angular Field(°)

C.A.(φa)±0.1
(mm)

O.D.(φd)±0.1
(mm)

L±0.1
(mm)

PCR9006

200-2300nm
(Coating@1064nm)

<5×10-5

1.0-1.5°
1°@1064nm

6.0

15.0

14.0

PCR9008

8.0

25.4

18.0

PCR9010

10.0

25.4

18.0

PCR9015

15.0

30.0

20.0

PCR9020

20.0

38.0

25.0

Order based on client requirement, including non-standard product and holder.



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