Optoelectronics

Pulsed Laser Modules and High Voltage Supplies

28th January 2013
ES Admin
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Datasheets
Increased production output and optimised manufacturing capacities have led to tumbling prices. Small production quantities of pulsed laser modules and high voltage modules have been radically reduced in price.
High Voltage Modules
The ABC550 and dBC series high voltage modules are particularly well suited for use in the operation of discrete APDs and APDs with integrated temperature sensor. Depending on the exact module chosen in the series the output voltage can be in the range of +/-120V up to +/-550V, the output voltage can be adjusted in a precise manner. By setting the temperature coefficient of the high voltage module to that of the APD, the internal temperature-gain compensation feature of the ABC and dBC-Series allows for accurate control of your APD, free from temperature drifting. A precise voltage source is integrated for reference.

ABC series. In the ABC (analog bias controller) series, the output voltage is adjusted using either a simple potentiometer or a control voltage.

dBC series. In the dBC (digital bias controller) series, digital control is also possible. An RS232 or SPI interface can be used for this purpose.

In both modules, an additional control voltage makes it possible to either regulate the amplification of the APDs in a closed control circuit or modulate it directly.

Pulsed Laser Modules
The LS series standard and LC series customised pulsed laser modules are as small as a matchbox. All the functions for safe operation are fitted into the compact housing. Only a voltage of +12VDC and a trigger signal – and nothing more – are necessary for operation of these modules.

The 905nm and 1550nm modules are available with parameters that are either fixed (LC series) or variable (LS series) in their adjustability:

• 905nm module
Optical output power: 3...220W
Pulse length: 4...15ns
• 1550nm module
Optical output power: 5...80W
Pulse length: 4...150ns

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