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High Stability Laser Diode Controller: 1500mA Laser Diode Current Source with 28 Watt TEC Controller

  • laser diode driver controller TEC
  • 1500mA Laser Diode Controller Pinout
  • Laser Diode Controller LDC Rear Panel
  • LDC Laser Diode Controller Software Interface
  • 1500mA Laser Diode Controller with TEC

$2535.00  
sku / item#: LDC-119
ships: In-Stock (USA) -- Quantity Available: 1

Key Features
  • High Stability, Affordable Laser Diode Controller
  • 1500 mA Laser Diode Current Source
  • 28 Watt TEC / Peltier Temperature Controller
  • Integrated Pulse Generator, 2 µs Rise / Fall Time
  • Accepts Analog or Digital Modulation, 50 kHz BW
  • LCD Front Panel Display, Intuitive Menu and Key Pad
  • RS232 Interface with LabVIEW Drivers; USB Control Available as an Option
  • Previously Sold as PN: LDC-150
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Select Cables and Accessories for this Controller


This cable is also available terminated on the
controller end with a 15-pin d-sub connector (male) and
15-pin d-sub connector (female) on the device-end (kab-231).

This cable is also available terminated on the
controller end with a 15-pin d-sub connector and
unterminated on the device-end (kab-39).

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Why do Scientists & Engineers Choose Laser Lab Source?

MODEL LDC-119
PRICE $2535.00
LASER DIODE CURRENT SOURCE
  • Output Current Range: 0.00 - 1500.00 mA
  • Compliance Voltage Range: 14.00 Volts
  • Current Noise & Ripple (rms): < ± 0.5% of Full Scale Current
  • Current Setpoint Resolution: 300 μA
  • Current Setpoint Accuracy: ± 0.5%
  • Current Stability (4 hours): ≤ 150 ppm (@ full scale)
  • Current Limit Setpoint Accuracy: ± 2%
  • Photodiode Current Measurement Accuracy: ± 0.5%
  • Photodiode Current Measurement Range: 0.00 - 700 μA
INTEGRATED LASER DIODE PROTECTION FEATURES
  • User Programmable Soft-Start Current Ramp to Setpoint (300ms Default)
  • User-Set Laser Diode and TEC Current Limits
  • User-Set Temperature Limits (Upper and Lower)
  • Open Circuit Detection
  • Output Short Circuit when Laser Diode Current Turned OFF
  • ESD and Power Surge Clamp, AC Line Filter
  • Reverse Voltage Transient Clamp
  • Factory Pre-Set Default Upper Temperature Limit: 35°C
  • Rear Panel Keylock Switch and Safety Interlock
TEC TEMPERATURE CONTROLLER
  • TEC Output Power Total: 28 Watts
  • TEC Output Current Range (bipolar): ± 2.00 Amps
  • TEC Output Voltage Range (bipolar) : ± 14.00 Volts
  • Temperature Sensor Inputs: 10 kΩ Thermistor, NTC, PT100, PT1000
  • TEC Control Loop Algorithm: Full P.I.D.
  • P.I.D. Variables: User Adjustable to Optimize Temp. Settling Speed
  • TEC Setpoint Resolution: 0.01°C
  • TEC Output Stability: ± 0.01°C (subject to ambient temp. stability)
  • Temperature Range: -25°C to 150°C
  • Factory Set Default Lower Temperature Limit: 5°C
  • Factory Set Default Upper Temperature Limit: 35°C
MODULATION & QCW PULSE MODE
  • QCW Pulse Width Rise and Fall Time: 2 μs
  • Pulse Time Base Accuracy: ± 1.0%
  • QCW Mode 1: User Adjustable Pulse Width and Repetition Rate using Internal Pulse Generator
  • QCW Mode 2: External Trigger to Internal Pulse Generator: Rising Edge Triggered QCW Pulse with Internally Adjusted Pulse Width
  • Modulation Input: BNC, Digital (TTL) or Analog, 10kΩ Impedance
  • ---------------------------------------------------------------------------------------------
  • Modulation Input Voltage Range: 0 ~ 4 Volts
  • Analog Modulation Bandwidth: 1 Hz – 20 kHz
Auxiliary Functions
  • Temperature Sensor Input: 10kΩ NTC Thermistor
  • External Fan Control Circuit, 1 - 24V, 500mA (max)
  • Laser-On External LED Indicator: 5mA Output
  • Pilot Laser Anode, vs. Ground: (5V, 150 mA)
  • Photodiode Input (Anode and Cathode)
USER INTERFACE and connectors
  • Front Panel: Alphanumeric LCD
  • RS232 Standard
  • USB Optional: $95.00 (Option SVC-USB)
  • LabView Drivers Included
  • Laser and Peltier Connector: SubD-15, Female
  • RS232 Connector: SubD-9, Female
  • Safety Interlock: Jack Connector, Stereo 3.5mm
DIMENSIONS AND power INPUT
  • Universal 110V ~ 240 VAC Input
  • Dimensions: 85 mm x 105 mm x 200 mm
Recommended Accessories
  • kab-39 Unterminated Connecting Cable -or-
    kab-231 Terminated Connecting Cable
  • acc-417 USB-RS232 Converter

Product Overview:

Precision Laser Diode Controller Overview

The LDC-119 laser diode controller delivers precision current and temperature control at an affordable price. These units offer a 1500 mA low noise current source paired with a high stability 28 watt TEC controller. Both functions are integrated into an easy to operate benchtop instrument.

Laser Diode Protection Features

These units offer the highest level laser diode protection available to ensure that your device under test is protected at all times. Soft-start current, current and temperature limits, and a fast shut-down sequence keep your device protected at all times. Additionally, transient filters and AC line filters protect the laser against brown-out or black-out power conditions. The precision TEC controller offers a full P.I.D. control loop for fast and efficient thermal stabilization. A back-panel safety interlock connector ensures that the laser diode current is not switched on until the user has determined it is safe to do so.

TEC Controller Features:

The full PID loop provides millidegree temperature stability, and can quickly stabilize high heat loads to the temperature set-point to reduce the risk of damage to your laser. User adjustable upper and lower temperature limits can be programmed to protect the laser diode and the Peltier device. Additionally, TEC output current limits are user-configured to protect the Peltier device from over-drive damage.

Modulation, Internal Function Generator, and QCW Pulse Modes:

In addition to CW (continuous wave) mode of operation, the LDC-119 laser diode controller offers flexible modulation capabilities and a QCW mode. The rear panel of the controller has a BNC input for an analog or TTL digital modulation input with a 10k Ω input impedance. The controller has an internal function generator which can be used to set the quasi-CW pulses. In QCW mode, the user can also set the 100μs to CW pulses from a remote TTL signal source.

Front Panel and Remote User Interface:

Controller setup is fast and intuitive via the front panel LCD display and alphanumeric interface, with a simple to use menu structure and key pad. These systems come with standard an RS-232 interface. The included LabView driver GUI makes set-up and control of the system fast and simple. The controller can be ordered with a USB interface; contact us for more information.

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