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Free-space Acousto-Optic Modulators

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Free-space Acousto-Optic Modulators
Free-space Acousto-Optic Modulators
Free-space Acousto-Optic Modulators
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c57
4.2
  • Free-space Acousto-Optic Modulators

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Product description:

Acousto-optic modulation is an external modulation technology, which can control the intensity of laser beam, and its speed is much faster than that of mechanical shutter. Acousto-optic modulator (AOM) can be used in laser modulation, laser graphic processing, laser digital communication and other fields. It has the characteristics of fast modulation speed, compact size, high modulation efficiency, high extinction ratio, easy coding and convenient to use.

CASTECH offers customized services that optimize the modulation scheme according to the demanding speed, wavelength, power, beam diameter and extinction ratio for our customers.

 

Applications:

●Laser marking  

●Lithography  

●Material processsing  

●Medical surgery      

●Micromachining

 

 

Schematic diagram of free-space acousto-optic modulator


 

 

 

Free-Space AOM Model Number:CAOM-f-a-mt-w-c-h

RF Frequency

(f)

Aperture

(a)

Material

(m)

Mode

(t)

Wavelength(w)

RF Connector

(c)

Housing

(h)

68 MHz

80 MHz

100 MHz

120 MHz

150 MHz

200 MHz

250 MHz

...

005

(0.5 mm)

010

(1 mm)

015

(1.5 mm)

020

(2 mm)

025

(2.5 mm)

030

(3 mm)

CQ

(Crystalline Quartz)

TE

(TeO2)

C

(Compressional)

S

(Shear)

355 nm

532 nm

780 nm

850 nm

1030 nm

1064 nm

3000 nm

...

AF

(SMA-F)

AM

(SMA-M)

CF

(SMC-F)

CM

(SMC-M)

A03

A04

A05

A13

A29

A62

B09

B12

...

 

 

Typical Specifications

Frequency

Active Aperture

Wavelength

Transmittance

Diffraction Efficiency

Separation angle

100 MHz

0.5~1 mm

355 nm

≥ 99.0%

≥ 85%

6.2 mrad

100 MHz

0.5~4 mm

1064 nm

≥ 99.0%

≥ 85%

25.3  mrad

120 MHz

0.5~1 mm

1064 nm

≥ 99.0%

≥ 85%

30.4  mrad

200 MHz

0.15~0.5 mm

1064 nm

≥ 99.0%

≥ 70%

50.7 mrad

250 MHz

0.15~0.5 mm

1064 nm

≥ 99.0%

≥ 70%

63.3 mrad

 

 

Housing dimensions(mm):

        

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