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Faraday Rotators
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  • Faraday Rotators

  • Faraday rotator provides non-reciprocal rotation while maintaining linear polarization. CASTECH is dedicated to grow magneto-optical crystals with high Verdet constant and low absorption coefficient.
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Product description:

Faraday rotator provides non-reciprocal rotation while maintaining linear polarization. The plane of polarization will be rotated 45°when light transmits through the Faraday rotator in the forward direction and rotated additional 45°in the same relative direction with respect to magnetic field when light travels backwards from the reverse direction. It will effectively reject the light traveling backward.

CASTECH is dedicated to grow magneto-optical crystals with high Verdet constant and low absorption coefficient  to ensure higher level reliability and less degradation. Combined with our unique high LIDT process technology, we are able to supply customized Faraday rotators for high power applications, up to 500W average power. The working wavelength of our Faraday rotator family ranges from 355nm to 4500nm, and the aperture is up to 45mm.

 

Applications 

●Laser sensing system

●Ultrafast laser system

●OCT system

●Laser detection

                   

Polarization Reference:

●All Faraday rotators non-reciprocally rotates the plane of polarized light in 45º.

●Extra half-wave plate for modifying output polarization is available on request.

 

 

 

 

 

 

 

 Faraday Rotators Model Number:HPRO-t-p-a-λ-w-h

Type(t)

Power(p)

Aperture(a)

Wavelength(λ)

Waveplate(w)

Housing(h)

FS

(Common)

1 W

10 W

30 W

50 W

100 W

 500 W*

...

2 mm

3 mm

4 mm

5 mm

8 mm

10 mm

12 mm

15 mm

25 mm

45 mm

...

355 nm

405 nm

532 nm

633 nm

780 nm

850 nm

980 nm

1030 nm

1064 nm

1319 nm

1550 nm

2000 nm

4500 nm

...

C

(Contained)

N

(Not Contained)

A01

A02

A03

A12

A15

...

*500W is only suitable for the wavelength of 1030/1064nm

 

 

Typical Specifications

Aperture

Damage Threshold 

Rotation angle

Withstand power*

Transmittance

2~15 mm

 3J/cm² at 10ns @(532~980)nm

10J/cm² at 10ns @1030/1064nm

45°±0.5°

50 W

>98%

2~10 mm

10J/cm² at 10ns @(1319~2000)nm

45°±0.5°

50 W

>98%

15~25 mm

10J/cm² at 10ns @1030/1064nm 

45°±1°

500 W

>98%

Operating temperature range: 10℃-30℃.

*Indicates the maximum average power products can handle.

 

 

Housing dimensions(mm):

 

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