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- Six Channel High Power 1550nm Laser Diode System Optimized for High Power Optical Amplifier, Optical Fiber, and Component Testing Applications
- Independent Adjustable Output Power, 0 to 5 Watts per Channel
- SMA-905 Fiber Coupled Outputs, Backpanel Located
- Independent Peltier (TEC) Cooled Mounting Plates for Each Laser Diode Channel
- All Channels Communicate Over Isolated RS-232 Interfaces; USB Control Available as an Option
- Offered by OsTech, a Laser Lab Source Marketplace Seller
Sold & Supported in North America by: LaserDiodeControl.com, part of the Laser Lab Source Marketplace Group
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6 Channel High Power 1550nm Laser Diode System for Component and High Power Optical Amplifier Testing
The model LDX-1550NM-5W is a completely integrated, turn-key six channel laser diode source and control system for testing applications. These pre-configured 5 Watt multi-channel instruments give the user full control over the integrated laser diode. Each fiber coupled laser diode is mounted to a TEC / Peltier cooled mounting plate inside the six channel instrument.
Laser output power is set by adjusting the current level (ACC mode) or adjusting the laser in automatic power (APC) control mode. The APC mode utilizes the laser diode's internal monitor photo-diode to feedback to the bias current and temperature controller.
These all-inclusive instruments include the 5 watt laser diodes (fiber coupled rear panel output), six precision current sources to bias the laser diodes, high power TEC controllers to stabilize the temperature and a TEC / Peltier cooled mounting plate for each laser diode.
Factory Configured Protection Settings for the Laser Diode
The LDX series instruments ship with factory configured protection settings to make sure that the integrated laser diode is run safely and operates within the specified maximum operating limits. These limits include the upper current limit and upper temperature limit. Additionally, a soft-start current ramp is set to 300 milliseconds to protect the laser from thermal shock when the bias current is applied. This soft-start ramp time can be customer configured through the front panel or digital interface. These units also have clamping circuitry to protect the laser against power surges and ESD.
Peltier Based Temperature Control System
These units have separate integrated TEC controllers with a full P.I.D. control loop to deliver fast and efficient heat removal from the laser diode source. Each laser diode is mounted to a Peltier cooled mounting plate of nickel plate copper. The internal mounting plates are machined with very high surface finish and flatness to provide low thermal resistance, typically less than 0.06 K/C. These laser diode mounting plates are attached to a fan cooled air duct to remove the waste heat and keep the laser temperature stable.
Soft-Start Current RampIn addition to the current the temperature limit protection settings, the LDX-1550NM-5W series laser diode source instruments give the user the option of setting the soft-start current ramp time from 300 milliseconds up to 10 seconds. This user adjustable current ramp allows you to customize the "power on" sequence of the source for your specific application.
User ControlsUsers have full control of each fiber coupled laser module power through independent standard RS-232 interfaces and LabView drivers. The RS-232 ports can be daisy-chained, or a single master control channel can be assigned. The laser diode system can be ordered with an optional USB interface; inquire for details.
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