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Fiber-Coupled Acousto-Optic Modulators

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Fiber-Coupled Acousto-Optic Modulators
Fiber-Coupled Acousto-Optic Modulators
Fiber-Coupled Acousto-Optic Modulators
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  • Fiber-Coupled Acousto-Optic Modulators

  • Fiber-coupled acousto-optic modulator (FCAOM) is based on the principle of body wave acousto-optic interaction and has the ability of optical pulse amplitude modulation and optical frequency shift.
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Product description:

Fiber-coupled acousto-optic modulator (FCAOM) is based on the principle of body wave acousto-optic interaction and has the ability of optical pulse amplitude modulation and optical frequency shift. The rise time of the optical pulse output of the modulator represents the modulation speed which determines the response speed and available bandwidth of the system. Compared with free-space acousto-optic devices, FCAOM has the advantages of convenient to use, easy integration and high reliability with optical fiber coupling. It is widely used in fiber sensing system, fiber laser and other fields.

CASTECH can customize FCAOM with corresponding parameter according to customer requirements. The optical fiber terminal of FCAOM could be configured with FC / APC or other connectors as required.

 

Applications:

●Laser marking  

●Lithography  

●Material processsing  

●Medical surgery      

●Micromachining

 

 

Schematic diagram of acousto-optic modulation


 

 

 

Fiber-Coupled AOM Model Number:CAFA-f-r-p-mat-w-c-h

RF Frequency(f)

RF Range

(r)

RF Power

(p)

Material

(m)

Fiber Type

(a) 

Fiber Terminal(t)

Wavelength(w)

RF Connector(c)

Housing(h)

80 MHz

100 MHz

120 MHz

200 MHz

250 MHz

...

0

(0 MHz)

1

(±1 MHz)

15

(±15 MHz)

50

(±50 MHz)

...

020

(≤2 W)

025

(≤2.5 W)

030

(≤3 W)

...

CQ

(Crystalline Quartz)

TE

(TeO2)

1

(HI1060)

2

(PM980)

3

(PM 10/125)

4

(10/125)

5

(20/125)

6

(10/125GDF)

7

(PM1550XP)

8

(PM1060L)

9

(SM28e)

10

(PMS350)

11

(PM1950)

...

B

(Bare Fiber)

F

(FC/APC)

1030 nm

1064 nm

1550 nm

...

AF

(SMA-F)

AM

(SMA-M)

A50

A87

A88

B03

...

 

 

Typical Specifications

Frequency

Wavelength

Insertion Loss

Extinction Ratio

Rise/Fall Time

Polarization Extinction Ratio*

120 MHz

1064 nm

≤ 1.2 dB

≥ 45 dB

≤ 40 ns

≥ 18 dB

200/250 MHz

1064/1030 nm

≤ 2.5 dB

≥ 50 dB

< 10 ns

≥ 18 dB

200 MHz

1550 nm

≤ 4.0 dB

≥ 50 dB

< 10 ns

≥ 18 dB

*Only applicable to polarization maintaining devices (Polarization extinction ratio refers to the proportional relationship between two orthogonal polarization components decomposed along the main polarization state direction)

 

 

Housing dimensions(mm):

        

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