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One-Dimensional Acousto-Optic Deflectors

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One-Dimensional Acousto-Optic Deflectors
One-Dimensional Acousto-Optic Deflectors
s20
s21
  • One-Dimensional Acousto-Optic Deflectors

  • Benefited from our well known expertise in crystal growing and process technology, CASTECH promise the high performance of deflectors.
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Product description:

Acousto-optic deflectors (AODF) can provide precise spatial control of an optical beam by frequency tuning of RF driver.The response time within a hundred nanoseconds. It is designed based on the deflection of light when it travels through an diffraction grating created by acoustic wave optical propagating within the medium.

CASTECH's AODF adopts TeO2 crystal as the acousto-optic medium. Benefited from our well known expertise in crystal growing and process technology. CASTECH promise the high performance of deflectors characterized with low insertion loss, high laser damage threshold, high consistency of power and diffraction efficiency across the full scan angle.

 

Applications:

●Laser  display            

●Micromachining            

●Heterodyne interferometer  

●Laser tweezers      

●Optical inspection

 


   

 

Schematic diagram of deflector

 

 

1D-Deflectors Model Number:CADF-f-r-a-mt-w-c-h

Center Frequency

(f)

RF Range

(r)

Aperture

(a)

Material

(m) 

Mode

(t)

Wavelength

(w)

RF

Connector

(c)

Housing

(h)

80 MHz

100 MHz

120 MHz

200 MHz

...

10

(±10 MHz)

15

(±15 MHz)

20

(±20 MHz)

...

005

(0.5 mm)

010

(1 mm)

020

(2 mm)

030

(3 mm)

TE

(TeO2)

C

(Compressional)

S

(Shear)

1030~1064 nm

1066~1100 nm

AF

(SMA-F)

...

A33

B18

 

 

Typical Specifications

Operating Frequency

Active 

Aperture

Wavelength

Frequency Shift Bandwidth

Scanning Angle

Diffraction Efficiency

VSWR

80 MHz

0.5~2 mm

1064 nm

34 MHz

59.0 mrad

≥ 80%

< 3.5:1

90 MHz

0.5~3 mm

532 nm

10 MHz

8.7 mrad

≥ 80%

< 3.5:1

120 MHz

0.5~2 mm

1030 nm

30 MHz

50.4 mrad

≥ 80%

< 3.5:1

200 MHz

0.5~2 mm

1064 nm

30 MHz

52.1 mrad

≥ 70%

< 3.5:1

 

 

Housing dimensions(mm):

A17                                                                                                                 B07

                    

 

 

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