Precision Laser Diode Drivers for LiDAR, Sensing & Quantum Measurement

Wuhan Optical Valley Interlink Technology Co., Ltd. was founded in 2013 by a technical team from Huazhong University of Science and Technology. As a national high-tech enterprise, Optics Valley "3551 Talent Enterprise" and Gazelle Enterprise, we are headquartered in Wuhan Optics Valley. We master core technologies in optical communication and fiber sensing, with profound technical accumulation and engineering experience in optical signal analysis, fiber cable testing, distributed vibration sensing and fiber grating fabrication.

Our product portfolio covers fiber cable fault locators, 100G/400G/800G high-speed bit error testers, laser diode drivers, optical signal analyzers, multi-band broadband light sources, FBG phase masks, high-pressure hydrogen loading systems, distributed acoustic sensing systems and more. We supply cost-effective standard products and deep customized services to clients including Tsinghua University, Peking University, Chinese Academy of Sciences, PetroChina, Sinopec, State Grid, Huawei and other top research institutions and industry leaders.

OPLD-0500 Narrow Pulse Laser Driver Module

Optimized for LiDAR, 3D Scanning & High-Speed Fiber Sensing

The OPLD-0500 is a sub-nanosecond pulsed laser controller integrating constant pulse current drive and high-precision TEC temperature control circuits. All core parameters including pulse width, repetition frequency, operating temperature and LD current can be configured via LCD touch screen or host computer software, tailored for high-speed, high-precision pulsed laser applications.

This module delivers minimum 500ps narrow pulses with rise/fall times below 300ps, maximum LD output current up to 500mA, and repetition frequency ranging from 100Hz to 10MHz to match different ranging accuracy and scanning frame rate requirements. The built-in TEC supports 15~35℃ temperature regulation with stability of ±0.05℃, maintaining consistent laser wavelength and output power for industrial and laboratory applications.

Core Technical Specifications

• Pulse Width: Continuously adjustable from 0.5ns to 800ns
• LD Output: Max current 500mA, output voltage 0~3.5V
• Edge Performance: Rise / fall time ≤300ps
• Repetition Frequency: 100Hz ~ 10MHz
• Pulse Duty Cycle: <1%
• TEC Output: ±1.5A current, 0~3.5V voltage
• Temperature Control Range: 15~35℃, stability ±0.05℃
• Control Interface: Dual configuration via LCD touch screen & PC software

It serves as the core driving unit for LiDAR, 3D scanning systems, distributed fiber sensing and pulsed laser rangefinders, and also fits pulsed laser driving needs for scientific experiments and photonic testing equipment.

ONLD Series Low-Noise Laser Driver & TEC Controller

Built for Quantum Precision Measurement, Fiber Sensing & Space Communication

The ONLD series is an ultra-low current noise, high-stability laser driver and temperature controller developed for advanced precision measurement. It has been mass deployed in quantum metrology, fiber optic sensing and free-space optical communication. Equipped with comprehensive protection mechanisms and flexible configuration, it supports abundant control interfaces and OEM customization to rapidly match various laser diode models.

This series delivers extreme current and temperature precision: current noise is lower than 500nArms, and 24-hour long-term current drift is less than 100μA to eliminate noise interference on measurement sensitivity. Temperature resolution reaches 0.001℃, with 24-hour thermal stability as low as 0.001℃. Digital PID algorithm enables precise laser wavelength locking. The module supports DC~10MHz modulation bandwidth for sine, triangle and square wave signals. A standard butterfly fixture allows fast laser replacement to boost R&D and testing efficiency.

Core Technical Specifications

• LD Output Current: 0~600mA (custom up to 1500mA), ACC voltage 0~3V
• Current Performance: 0.01mA resolution, accuracy ±(0.02%+0.5mA), 24h drift <100μA
• Current Noise: <500nArms (500mA output, 10Hz~1MHz bandwidth)
• Modulation Bandwidth: DC ~ 10MHz, supports sine/triangle/square wave
• Thermal Performance: 0.001℃ resolution, 24h stability 0.001~0.01℃
• TEC Output: ±1.2A current, ±3V voltage, auto/manual PID tuning
• Protection: Over-current, over-voltage, over-temperature, soft current ramp up/down
• Dimension: 80mm × 80mm × 30mm

Widely applied in quantum precision measurement, distributed fiber sensing, space optical communication, spectroscopy and optical test instruments, it is an essential supporting driver for high-precision optical systems.

Custom Development & Product Sourcing

Beyond standard laser driver products, Optics Valley Interlink provides flexible services including customized development, OEM adaptation and parameter tuning, delivering tailored drive solutions for lasers of different wavelengths, power levels and packaging formats. Backed by a HUST-origin technical team and complete R&D testing platform, we fully support clients’ full-cycle demands from prototype validation and small-batch trial production to mass deployment, delivering cost-effective photonic solutions.

If you require full datasheets, custom solution evaluation or bulk order quotations, please reach out to our photonicssource sales team. We deliver reliable product performance and professional technical support to accelerate customers’ photonic innovation and product commercialization.