780nm Fiber AOM Series

780nm Fiber AOM Series

The acousto optic modulator is a product designed to modulate the intensity and frequency shift of laser beams through the principle of acousto-optic interaction. Operating within the wavelength range from visible light to the infrared region, it features an all-metal structure design, a compact and robust sealed packaging structure, and incorporates innovative packaging technology. These elements contribute to ensuring high reliability and temperature stability.

  • Short response time 
  • Low insertion loss 
  • High extinction ratio 
  • High-temperature stability and reliability  
  • Small size
  • Q-switched fiber laser 
  • Laser Doppler coherent application 
  • Ultra-fast laser frequency reduction menu 
  • Linear frequency modulation

This indicator is a typical optical wavelength indicator, and other wavelengths and frequencies can be selected

Insertion lossdB<3<3<3.5
Rise timens<40<25<12
Shift frequencyMHz80150200
3dB frequency shift bandwidthMHz>16>30>40
Wavelengthnm780 (Typical value)
Optical powerW≤0.5
On-off extinction ratiodB≥50
Polarization extinction ratio (PM device)dB≥20
Polarization dependent loss(SM device)dB<0.5
Driving powerW<2
Fiber typePM780
Optical fiber connectorFC/APC
RF input jointSMA
Fiber length m>1
Input impedanceΩ50
Package FH
Package  FH
461nm fiber AOM Package FA
Package  FA
Low-power N-type acoustooptic driver

An acousto-optic driver is a radio frequency (RF) driver designed to drive acousto-optic modulators and frequency shifters with an output power of less than 3W. The driver generates a radio frequency signal that is used to generate ultrasonic waves in the crystal of an acousto-optic device. The modulation, deflection, or tuning of the beam depends on the frequency and power of the applied RF signal. With an all-metal housing and innovative packaging technology, efficient heat dissipation is achieved to ensure optimal drive performance.

Supporting DriveThe model (SGXXXX-33-N-ab) uses “X” to indicate the frequency shift function, “Y” for modulation, and “T” for additional modulation functionality. The “XXX” denotes the operating frequency, with “33” corresponding to RF output power. “N” specifies the package type. The letter “A” is associated with a power supply voltage of 24V (“1”) or 12V (“2”). The letter “b” designates the modulation type, where “D” stands for digital TTL modulation, and “A” represents analog modulation.
  • Small size     
  • Fast response time   
  • Low power consumption  
  • High-temperature stability and reliability 
Specifications of the modulation input interface
Modulated signal inputDigital modulation (high level 3.3-5V; low level 0-0.2V@1k Ω)
Analog modulation (A1: 0-1V@50 Ω)
Analog modulation (A5: 0-5V@1k Ω)
Modulated signal input impedanceΩ
RF output interface specification
Output signal frequencyMHz100150250
Frequency stabilityppm20  ( 1 Special)
Output signal powerW<2
Rise and fall timens<25<20<10
Switching ratiodB≥60
Harmonic suppression ratiodBc>25
Signal output standing wave ratio≤1.3
Complete machine specification
Maximum power consumptionW10
Working voltageVdc24±1V(Optional 12±0.5)
Power interfaceThrough core capacitance (core wire is connected to positive, solder lug is connected to negative)
Low-power N-type acoustooptic driver Package N
Package N
Low-power N-type acoustooptic driver Package N2
Package N2