LDTC-LAB datasheet(2/31 Pages) WAVELENGTH

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GENERAL OVERVIEW

FEATURES

LD250mTC5

LAB

LD2TC5

LAB

LD5TC10

LAB

COMPLIANCE VOLTAGE

(BOTH MODELS)

250 mA

2 A

5 A

10 V

5 A

10 A

15 V

• Low-noise laser current, as low as 3µA, 7 μA, or 16 μA

(100 kHz RMS)

• Temperature stability better than 0.0009ºC with thermistor

• Safety features protect your research

Adjustable current limits, with Brick-Wall Never-Exceed

circuitry

Load failure protection

Temperature limits on the load

Current/voltage limits for both TEC and laser

Automatic laser shutdown upon TEC error available

• Constant Current (Laser) or Constant Power (Photodiode

Current) modes

Three photodiode ranges available: 0.5, 5, or 10 mA

Available photodiode bias voltage

Operates all laser diode/photodiode configurations

• Compatible with a variety of temperature sensors

Thermistors and two-wire RTDs

Linear voltage and current sensors

• Continuous Wave (CW) or Quasi-Continuous Wave (QCW)

Operation

• Also capable of driving LEDs

• Modulation bandwidth 450kHz with external BNC input

• Laser Diode voltage/current measurements

• TEC voltage/current measurements

• IntelliTune sets ideal PID control parameters for optimal time to

temperature or fast disturbance rejection

• Complete TMC command set for remote control from computer

• LabVIEW® Virtual Instrument, USB interface

• Field upgradeable firmware

• Touchscreen with intuitive user interface

• Data collection using a computer

• Sophisticated error handling

• Save and recall functions for specific set ups

• Feature-rich for research projects

LabVIEW is a trademark of National Instruments.

ULTRA-STABLE TEMPERATURE

CONTROLLER & LOW-NOISE

LASER DRIVER

The LDTC LAB series instruments combine best-in-class low

noise, high-end digital control laser diode driver technology

with an IntelliTune® smart temperature controller. If you need

stable wavelength, stable temperature (better than 0.0009ºC

with thermistors), stable laser diode current or power, or low

noise (RMS laser driver noise as low as 3 µA), these offer the

best performance and value.

The touch-screen interface makes operation intuitive and

simple. A LabVIEW® virtual instrument, remote command

set, and USB interface allow integration into an instrument

library.

Safety features protect the thermoelectric cooler (TEC) and

the laser. Over- and under-temperature limits, positive and

negative (where applicable) current limits, and voltage limits

can be set. If the sensor signal is lost or a short is detected

at the TEC, output current is disabled. Passive and active

interlocks are available for safety of equipment and user. You

can link laser diode current to safe and stable thermoelectric

operation.

Operation in Constant Current (CC) or Constant Power (CP)

mode changes with the touch of a button. A wide variety of

sensors work in the temperature control feedback loop.

INTELLITUNE®: INTELLIGENT

AUTOTUNE

Wavelength’s proprietary IntelliTune algorithm characterizes

the TEC/sensor system’s response to the controller and

determines the optimal PID control coefficients.

It then

automatically adjusts the PID control values as setpoint,

tuning mode, or bias current change.

Run IntelliTune easily just off ambient and watch it change PID

settings for a much higher or lower setpoint.After a single scan,

explore either optimized Setpoint Response or Disturbance

Rejection performance with your load to see which works

best. Add or remove the D term to see if noise is an issue.

IntelliTune lets you skip the manual characterization, and it’s

smart enough to really work—very little adjustment is needed

after you have stored a successful characterization scan. See

Application Note AN-TC13: IntelliTune® vs. Conventional

Autotune for an in-depth exploration.

APPLICATIONS

The ultra-stable temperature controller/laser driver instruments

are particularly reliable for diverse fields such as medical,

defense, communications and manufacturing. Applications

include particle and droplet measurement, communications,

manufacturing test, and medical systems. Additionally, our

products are designed for use with electro-optical systems,

airborne instrumentation, spectroscopic monitors, and

medical diagnostic equipment.

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