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首页 Light Sources Drivers & Mounts Dual current & temperature controller for LD VCSEL laser driver 20mA 4V VCSEL Laser Driver 20mA Maximum Voltage 4V DB9 Output Interface

    • VCSEL Laser Driver 20mA Maximum Voltage 4V DB9 Output Interface

    Idealphotonics' VCSEL laser driver features a full aluminum housing, offering excellent heat dissipation and shell strength to ensure stable and reliable long-term operation. It includes a 2.4-inch OLED display with large, clear fonts. The built-in low-noise adjustable constant current driver and TEC control are integrated. The VCSEL driver base, developed and designed by us, allows for easy insertion of the laser's pins, facilitating testing. It supports software-controlled operation and can also accept external modulation signals. Customization is available based on the laser's pin definitions.

    产品特点Compact structure 、Easy operation 、Software control

    产品货号A80170003

    应用领域Gas analysis 、Laser driver

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    Daisy

    电话：18602170419

    邮箱：moli@microphotons.com

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    • Parameter

    Technical Specifications

    Parameters

    Operating Voltage

    220VAC

    Power Frequency

    50Hz

    Power (Max)

    6W

    Maximum Laser Tube Drive Voltage

    4V

    Maximum Laser Control Temperature

    50.0℃

    Minimum Laser Control Temperature

    5.0℃

    TEC Drive Current (Low)

    0.13A

    TEC Drive Current (High)

    0.3A

    Laser Drive Current

    0-20mA

    Modulation Voltage

    0-15V

    Modulation Frequency

    300k

     Note: Output interface DB9

     

    Software Interface

     1.jpg

     

    1550nm VCSEL Laser Experimental Test Case

    1.Without External Modulation

    2.jpg(1) Connect the 1550nm TOSA laser to an LC-APC connection cable, then insert the laser into the driver base and connect it to the driver. The other end of the connection cable is linked to a spectrometer or power meter.

    (2) Connect the USB cable to the computer, open the driver software, set the maximum current to 20mA in the software, configure it to internal modulation (inter), click SET, and the setup is complete.
    (3) Set the current and turn on the laser.

     

    Test result

    3.png

    4.png 

     

    2.With External Modulation Using a Signal Generator
    (1) Set the signal generator to sweep mode.
    When a fixed frequency of 50KHz is set, the corresponding spectral diagrams for different voltages are as follows:

    5.png 

    3V

    6.png

     6V

     7.png 

    9V

    8.png

    12V

    Laser Pin Definition Description

    9.jpg

    10.jpeg


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