Laser Diode Series

Series laser diodes are semiconductor devices designed to emit coherent light, available in pulsed or continuous modes, with broad wavelength options and flexible integration for scientific, industrial, and sensing applications.

Overview

A laser diode is a semiconductor device that emits coherent light when electrically pumped, similar to a light-emitting diode but capable of producing stimulated emission with high phase and wavelength coherence. The emitted wavelength depends on the semiconductor material, ranging from ultraviolet (UV) to near-infrared (NIR) spectra, and laser diodes are widely used in fiber-optic communications, LiDAR, barcode scanning, laser printing, and scientific research (Wikipedia). Series Laser Diode Product Lines1.

LD

H Series (PicoQuant)Offers picosecond pulsed diode laser heads with adjustable repetition rates up to 80 MHz. Wavelength coverage spans UV to NIR, supporting single-mode or multimode fiber coupling. Compatible with multiple drivers (PDL 800-D, PDL 810, PDL 828) for flexible multi-wavelength excitation.

Applications include fluorescence lifetime imaging (FLIM), time-resolved photoluminescence (TRPL), FCS, LiDAR, and quantum optics experiments. 2. PICOPOWER™-LD Series (ALPHALAS)Provides ultrafast picosecond diode lasers with pulse widths as short as 12 ps and peak powers exceeding 2 W.

Standard wavelengths range from 375 nm to 1550 nm, with over 60 customer-specific options. Features exchangeable laser heads and drivers with frequency steps as fine as 1 Hz, suitable for time-resolved spectroscopy, fiber communications, and high-resolution laser applications. 3.

IPG Diode Laser Modules

Compact, turnkey modules with integrated driver electronics and cooling. Output options include collimators or bare fiber termination, ideal for OEM integration. Applications include metal hardening, plastics welding, medical procedures, and optical pumping.

Key Features

Pulse Control: Many series laser diodes offer picosecond or nanosecond pulsed operation for precise timing. Fiber Coupling: Single-mode, polarization-maintaining, or multimode fiber options allow flexible integration into optical systems. Wavelength Flexibility: Standard and custom wavelengths enable use across UV, visible, and NIR ranges.

Driver Compatibility: Integrated or external drivers allow adjustable repetition rates and pulse shaping. Applications: Scientific research, LiDAR, time-resolved spectroscopy, industrial processing, and medical devices.

Summary

Series laser diodes combine highly controlled emission, flexible wavelength selection, and precise pulse timing to meet the needs of both research and industrial applications. Whether for time-resolved fluorescence, LiDAR, or optical pumping, these devices provide reliable, compact, and energy-efficient solutions for modern photonics systems.