Fiber coupled acousto-optic modulator is the core component of Q-switched fiber laser, which mainly acts in the resonator and modulates the required laser pulse by RF drive.
Product features:
1、Compact and reliable structure
2、Low insertion loss
3、High extinction ratio
4、Low working heat
5、Customized products available
Parameter
|
Min
|
Max
|
Typical
|
Comments
|
Interaction material
|
|
|
|
Tellurium Dioxide
|
Wavelength
|
1030 nm
|
1090 nm
|
1060 nm
|
Other wavelengths
available on request
|
Average optical power handling
|
|
1 W
|
|
|
Insertion loss
|
|
3 dB
|
2 dB
|
|
Extinction ratio
|
45 dB
|
|
|
|
Polarization extinction ratio
|
18 dB
|
|
20 dB
|
|
Return loss(RF ON/RF OFF)
|
40 dB
|
|
|
|
Rise-time/fall-time(10%-90%)
|
|
12ns
|
10 ns
|
|
10 ns
|
|
|
200 MHz
|
|
VSWR
|
|
1.3:1
|
|
|
Input impedance
|
|
|
50 Ω
|
|
RF power
|
|
|
2.5 W
|
Higher RF power will
cause damage
|
RF connector
|
|
|
|
SMA
|
Frequency shift
|
|
|
200 MHz
|
Upshift
|
Fiber type
|
|
|
|
PM980
|
Fiber length
|
|
|
1.0m
|
900um loose tube
|
Fiber termination
|
|
|
|
Bare fiber or FC/AFC
|
Dimension
|
73mm*22mm*13.8mm
|