Keithley Optical SourceMeter Instruments

1 / 2 Channels, Max Current 5A / 20mA, Max Voltage 10V / 100V

Keithley instrumentation makes it easy to build a LIV (light-current-voltage) system to test laser diode modules cost-effectively.

Model
Max Current
Max Voltage
Power
Measurement Res
 
2510

5A

10V

50 W

-

2510-AT

5A

10V

50 W

-

2502

20mA

100V

2 W

1fA

2520

5A

10V

50 W

700nA / 0.33mV

Keithley Optical SourceMeter Instruments Product Description

Keithley instrumentation makes it easy to build a LIV (light-current-voltage) system to test laser diode modules cost-effectively.

  • Fiber Alignment Photodiode Meter 2502: High speed analog output enables LIV testing at the fiber alignment stage.
  • 2520 Pulse Laser Diode Test System: Synchronizing test system providing sourcing and measurement capability for pulsed and continuous LIV test.
  • TEC SourceMeter SMUs, 2510 and 2510-AT: Ensure tight temperature control for laser diode modules by controlling its thermo-electric cooler.

Features

Benefits

Active temperature controlPrevents temperature variations that could cause the laser diode’s dominant output wavelength to change, leading to signal overlap and crosstalk problems.
50W TEC ControllerAllows for higher testing speeds and a wider temperature setpoint range than other, lower-power solutions.
Fully digital P-I-D controlProvides greater temperature stability and can be easily upgraded with a simple firmware change.
Autotuning capability for the thermal control loop (2510-AT)Eliminates the need to use trial-and-error experimentation to determine the best combination of P, I, and D coefficients.
Wide temperature setpoint range (–50°C to +225°C) and high setpoint resolution (±0.001°C) and stability (±0.005°C)Covers most of the test requirements for production testing of cooled optical components and sub-assemblies.
Compatible with a variety of temperature sensor inputs—thermistors, RTDs, and IC sensorsWorks with the types of temperature sensors most commonly used in a wide range of laser diode modules.
AC Ohms measurement functionVerifies the integrity of the TEC device.
4-wire open/short lead detection for thermal feedback elementEliminates lead resistance errors on the measured value, reducing the possibility of false failures or device damage.


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