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LRS-9550 Laser Drive Current Setpoint Accuracy

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LRS-9550 Laser Drive Current Setpoint Accuracy

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This technical note describes the current source design and setpoint accuracy validation of the LRS-9550 High Power Laser Diode Test System.The LRS-9550 is a laser diode test system designed for reliability testing and burn-in of optical devices, with maximum drive current sources up to 30A. Over the full range, the LRS9550 has a rated laser drive current setpoint accuracy of ±50mA. This accuracy is critical in determining threshold current values and overall LIV measurements.

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