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Laser Pulse Parameter Measurement——Photoelectric Detector


Pulse width is a critical parameter of pulsed lasers and significantly impacts single-pulse energy measurements. Currently, optoelectronic detectors are widely used in both industrial and scientific applications for pulse width testing. These devices convert optical signals into electrical ones, which are then analyzed by an oscilloscope to capture the waveform and extract relevant parameters.
Changchun New Industries Optoelectronics Technology Co., Ltd. now offers an optoelectronic detector with two measurement modes: free-space and fiber-optic interface. It is ideally suited for monitoring high-speed pulsed lasers, enabling precise measurements of parameters such as pulse width, rise time, repetition rate, and pulse period. For detecting fast-moving signals, the use of a 50-Ω load resistor is also recommended.


Testing instrument:Photoelectric Detector


 

  • Wavelength range: 200-1700 nm
  • Rise time: 1ns/ 35ns/ 350ps
  • Equipped with built-in 12V bias battery
  • Ultra compact design and can be used for
  • Measurement in narrow spaces
  • Fiber coupling via SM1 optical adapter

DA320-SI/DA350-SI

  • Wavelength range: 320-1100 nm
  • Fixed gain low noise amplifier
  • Built-in 50Ω load impedance
  • Equipped with ±12V stabilized voltage supply

±12V Regulated Linear Power Supply

  • For DA series photoelectric detectors
    ±12V DC output
  • Three pins of power cable are grounded, +12V and -12V
  • Equipped with LED switch indicator


Technical Parameter

Model

Wavelength range

Rise time

Bandwidth

Datssheet

D200-SI

200–1100 nm

1ns

350MHz

D320-SI

320–1100 nm

35ns

10MHz

D800-IN

800–1700 nm

350ps

5GHz

DA320-SI

320–1100 nm

35ns

DC-11MHz

DA350-SI

350–1100 nm

10ns

DC-12MHz

 

Examples of the Testing Results

D200-SI Pulse Duration and Frequency Testing

D200-SI Cycle Testing

D800-IN Pulse Duration and Rise/Fall Time testing