Quasi-Continuous-Wave Semiconductor Laser Power Supply STJ-QCW03120
This series of quasi-continuous-wave semiconductor laser power supplies is designed to drive QCW semiconductor laser devices and is also called a quasi-continuous laser diode array driver. Modern power-electronic components, high-speed microprocessor (MPU) program control and low-power linear pulse modulation provide excellent voltage/current output. The pulse-current waveform approaches an ideal rectangle without overshoot, kickback or surges, with good rising and falling edges and very low switching interference and output noise. Comprehensive multiple protections reliably protect semiconductor laser devices. Pulse parameters can be adjusted locally or by computer, selected through software. An adjustable delayed synchronization output supports synchronized multiple-unit or Q-switched operation. A resettable pulse counter PC counts over 400 million output pulses, and an alarm-control input, such as a water-pressure alarm, stops the supply for protection. The interface uses a 240*128 dot-matrix graphic LCD or a 16-digit figure-8 digital display, simple menus and membrane keys, with a friendly interface and fault diagnostics. The well-equipped, stable, powerful and cost-effective unit is advanced among comparable domestic and international products and well suited to integration by laser-equipment manufacturers. An optional semiconductor/TEC cooling supply, with complete PID software, intelligent continuous temperature adjustment and heating/cooling, forms a constant-temperature cooling system for better laser performance and smaller equipment. Its temperature parameters can be set independently or centrally through the QCW supply LCD interface, using a serial cable to the laser supply. Note 1: notify the company when ordering if 110VAC mains power is required. Note 2: 4 chassis choices: W×L×H＝304×295×88mm (Y1, S1); W×L×H＝425×310×88mm (Y2, S2). Note 3: table data describe standard supplies; products can be customized. Note 4: an adjustable pre-current, also called preheating, holding or base current, is available on request.
Save to Favorites
Overview
Key Features
Datasheet
Please provide your email to download the datasheet.
Invalid email format. Please try again.
Supplier Information
Related Products
-
VLM2-8L — 670nm, 7.5mW Compact Diode Laser Module
Laser Diodes
Daheng-imaging
Wavelength: 670 nm Wavelength Tolerance: +5/-5 Power: 7.5 mW
Compact diode laser module with an elliptical 3.4×1.3mm beam. Supply:5VDC; body diameter:14.8mm; length:28mm; cable:305mm. Coherent's VLM-series modules are small, fully featured and rugged. The head contains precisely aligned high-quality glass optics plus a photodiode and feedback electronics for power control. Internal protection circuitry and patented technology ensure pointing stability<4.3mrad. The small package simplifies integration and improves consistency.
-
FL-670-1500 — Highly Reliable High-Power Laser for High-Signal-to-Noise-Ratio Applications
Laser Diodes
Daheng-imaging
Wavelength: 670 nm Wavelength Tolerance: +10/-10 Power: 1500 mW
The FL-670-1500 is a Fireline Laser direct diode laser from Osela, Canada, with a wavelength of 670nm and laser power of 1500mW. It offers high power, excellent beam-line quality, and high pointing stability. It supports external focusing and integrates monitoring and modulation functions, making it ideal for 3D machine vision, outdoor industrial inspection, railway and road inspection, and high-signal-to-noise applications.
-
FL-808-5000 — Highly Reliable High-Power Laser for High-Signal-to-Noise-Ratio Applications
Laser Diodes
Daheng-imaging
Wavelength: 808 nm Wavelength Tolerance: +3/-3 Power: 5000 mW
The FL-808-5000 is a Fireline Laser direct diode laser from Osela, Canada, with a wavelength of 808nm and laser power of 5000mW. It offers high power, excellent beam-line quality, and high pointing stability. It supports external focusing and integrates monitoring and modulation functions, making it ideal for 3D machine vision, outdoor industrial inspection, railway and road inspection, and high-signal-to-noise applications.
-
VHK2.3-1L — 635nm, 1mW Compact Diode Laser Module
Laser Diodes
Daheng-imaging
Wavelength: 635 nm Wavelength Tolerance: +7/-2 Power: 0.95 mW
Compact diode laser module with a circular beam of diameter 1.1mm. It operates from a 5V DC supply, with a body diameter of 14.8mm, a length of 34mm and a cable length of 914mm. Coherent's VLM-series diode laser modules are compact, fully featured and rugged. The laser head contains precisely aligned, high-quality glass optics, plus a photodiode and feedback electronics for power control. Internal protection circuitry and patented technology ensure pointing stability <4.3 mrad. The small package simplifies integration and improves consistency.
-
VLM2.3-4L — 635nm, 4.2mW Compact Diode Laser Module
Laser Diodes
Daheng-imaging
Wavelength: 635 nm Wavelength Tolerance: +7/-2 Power: 4.2 mW
Compact diode laser module with a circular beam of diameter 1.3mm. It operates from a 5V DC supply, with a body diameter of 14.8mm, a length of 34mm and a cable length of 914mm. Coherent's VLM-series diode laser modules are compact, fully featured and rugged. The laser head contains precisely aligned, high-quality glass optics, plus a photodiode and feedback electronics for power control. Internal protection circuitry and patented technology ensure pointing stability <4.3 mrad. The small package simplifies integration and improves consistency.
Related Articles
In photonics and laser technology, devices that manipulate optical signals via the electro-optic effect form the backbone of precision optical systems. Electro-optic phase modulators and electro-optic deflectors are two prominent examples of this device category. As a critical hardware solution for high-speed, high-accuracy laser beam direction control, electro-optic deflectors are widely deployed across industrial and research settings. Below is a detailed overview of their core structure, key performance drivers, and primary use cases.
GYOPTICS 30 W collimated isolator is a highly‑reliable passive optical component optimized for 1064 nm high‑power laser systems. Characterized by low insertion loss and superior backward‑light suppression capability, it effectively blocks reflected light traveling back toward the laser resonator, eliminating back‑reflection‑induced instability and protecting fiber or solid‑state laser sources during long‑term operation.
For 1D optical detection scenarios such as spectrum acquisition, dimensional measurement and optical scanning, area array CMOS/CCD suffer redundant pixels, high cost and slow row readout speed.
Laser pump sources are the core energy input component of solid-state lasers and laser amplifiers, and their performance directly determines the output power, beam quality and service life of the entire laser system. In scenarios such as industrial processing, scientific research experiments and high-end equipment, improper pump source selection will not only result in substandard system performance, but also bring a series of problems such as rapid device degradation and high operation and maintenance costs. This article sorts out the core selection logic and key pitfalls of pump source procurement, and provides selection references based on mature, mass-produced high-reliability products to help purchasers efficiently screen suitable products.
Loading...
Name
Phone
Organization
Use Case
Database Platform