High Precision, Ultra Stable
Temperature Controllers & Laser Diode Drivers
High Precision, Ultra Stable
Temperature Controllers & Laser Diode Drivers
Fast Temperature Control Circuit Prototyping
Use the WTC3293 Evaluation Board to rapidly prototype a complete temperature control system using the ultrastable WTC3243 Temperature Controller. Drive current to a thermoelectric or resistive heater and control temperature using thermistors, 100 Ω Platinum RTDs or linear temperature sensors such as the LM335 or the AD590. Onboard switches, connectors, and trimpots make configuration and operation simple.
WLD3393 Fast Laser Control System Prototyping
The updated WLD3343 Compact Laser Diode Driver sources up to 3 A, with lower noise and no leakage current, and can be modulated up to 2 MHz. Safety features and scaleable maximum output current make the WLD3343 ideal for VCSELs. The convenient WLD3393 Evaluation Board employs onboard controls to operate the WLD3343, saving you time and money by streamlining your prototyping efforts.
NEW! RHM5K-CH: Precision Unipolar Temperature Control
Compact, Low Cost PID Control
Stability < 0.003°C
Output to 5 A, 5-30 V.

The RHM5K-CH is ideal for unipolar applications requiring either heating or cooling (but not both), such as heated optics (non-condensing), CCDs, preheated liquids and chamber stabilization. It drives thermoelectrics or resistive heaters, and is compatible with most sensors. Safety features include adjustable voltage limit to protect the load.
HTC Series Low-Profile Temperature Controllers
The advanced and reliable circuitry of the HTC series achieves 0.0009C temperature stability. Its low profile package is ideal for designs with space constraints. The linear, PI control loop offers maximum stability while the bipolar current source has been designed for higher efficiency. Available in a 1.5 A and a 3 A model.
Compact PCB-Mount Temp Control to 10 A
The PTC Temperature Controller is now available as a PCB-mounted component, and provides outstanding 0.0012°C stability with thermistors. Both onboard and remote control capability are provided, and for maximum versatility a wide variety of temperature sensors can be used. The robust safety features you expect from a Wavelength temperature controller are designed in.
Compact PCB-Mount Laser Diode Control
The PLD Series Laser Diode Drivers deliver the performance advantage you expect from a Wavelength Electronics driver in a compact and easy-to-integrate package. Slow start and adjustable current limit protect your laser diode and increase the overall reliability of your control system. Available up to 6.5 A; operates from 5 to 30 VDC for use with single emitters or high-compliance stacked bars.
PTC10K-CH Compact 10 A Temperature Control
Both the Wavelength Electronics PLD Laser Diode Driver and the PTC Temperature Controller Series offer high precision control and excellent stability in a compact, chassis mount package. Advanced safety features include current limits, slow start, and ESD protection. Ideal for applications where stability is critical and space is tight.
PLD12.5K-CH Compact 12.5 A Linear Laser Diode Driver
The PLD-CH Chassis Mount Series now has a 12.5 A model the PLD12.5K-CH to support fiber-coupled lasers used in such applications as medical, dental, micro-machining, material processing, semiconductor inspection, and imaging. The PLD-CH Series safety features include: slow start circuit, mechanical shorting relay, and active current limit.
NEW! Low Noise Quantum Cascade Laser Driver
The QCL Series Low Noise Laser Driver's patented circuitry minimizes linewidth, spectral drift, and center wavelength jitter. This OEM controller is available in models up to 2 A with low RMS noise (1 µA with the QCL1000) for field-deployed or benchtop applications. Ideal for high performance chemical sensing in biomedical, imaging, spectroscopy, remote sensing, military, communications, aerospace, and materials processing industries.
Precision USB Laser Diode Control
Now you can leverage your low-noise, high-stability Wavelength Electronics laser diode control system with the budget-friendly USBKIT interface board and software package. The QuickConnect™ virtual control panel provides out-of-the-box functionality. The strip chart graphs show real-time laser system status and selected raw data can be saved to a text file. The bus-powered USB 2.0 interface board is easily wired using onboard screw terminals.
Improved WTC3243 Simple Temperature Control
The WTC3243 Temperature Controller drives up to 2.2 A and can stabilize to 0.0009°C. Recent improvements provide greater stability as the load temperature is scanned across ambient.
Improved WLD3343 Simple Laser Diode Control
The WLD3343 Laser Diode Driver sources up to 2.2 A precision current for laser diodes; now with lower noise and compatible with VCSELs. Laser diode safety circuits include current limit and current ramp with delay. Variations of the WLD3343 up to 3 A are available.
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