Laser Diodes, Laser Modules

Image Part Number Description / PDF Quantity Rfq
IF-VL08-635

IF-VL08-635

Industrial Fiber Optics, Inc.

LASER DIODE 635NM 0.75-0.9MW

0

IF-RL30-635

IF-RL30-635

Industrial Fiber Optics, Inc.

LASER DIODE 635NM 2.8-3.2MW

0

IF-HN15M

IF-HN15M

Industrial Fiber Optics, Inc.

LASER DIODE 633NM 1.5MW HOUSED

0

IF-RL08-635

IF-RL08-635

Industrial Fiber Optics, Inc.

LASER DIODE 635NM 0.75-0.9MW

0

IF-HN08

IF-HN08

Industrial Fiber Optics, Inc.

LASER DIODE 633NM 0.8MW HOUSED

0

IF-UL08-635

IF-UL08-635

Industrial Fiber Optics, Inc.

LASER DIODE 635NM 0.8MW HOUSED

0

IF-VL30-635

IF-VL30-635

Industrial Fiber Optics, Inc.

LASER DIODE 635NM 2.8-3.2MW

0

ML 869A

ML 869A

Industrial Fiber Optics, Inc.

HENE MODULATABLE 1.5 MW CLASS LI

0

IF-HN08M

IF-HN08M

Industrial Fiber Optics, Inc.

LASER DIODE 633NM 0.8MW HOUSED

0

IF-HN05

IF-HN05

Industrial Fiber Optics, Inc.

LASER DIODE 633NM 0.5MW HOUSED

0

ML 800

ML 800

Industrial Fiber Optics, Inc.

HENE STANDARD .5 MW CLASS II

0

ML 810

ML 810

Industrial Fiber Optics, Inc.

HENE STANDARD .8 MW CLASS II

0

IF-HN20

IF-HN20

Industrial Fiber Optics, Inc.

LASER DIODE 633NM 2.5MW HOUSED

0

IF-UL08-635X

IF-UL08-635X

Industrial Fiber Optics, Inc.

KIT WITH LASER DIODE UL08-635

0

IF-RL30-670

IF-RL30-670

Industrial Fiber Optics, Inc.

LASER DIODE 670NM 2.8-3.2MW

0

IFVR2

IFVR2

Industrial Fiber Optics, Inc.

VIDEO RECEIVER, RF

0

IF 550

IF 550

Industrial Fiber Optics, Inc.

LASER RAY BOX

0

IF 583

IF 583

Industrial Fiber Optics, Inc.

LASER RAY BOX WITH ENCLOSURE

0

ML 869

ML 869

Industrial Fiber Optics, Inc.

LASER NEON 632.8NM 1.5MW

0

ML 868

ML 868

Industrial Fiber Optics, Inc.

HENE MODULATABLE .8 MW CLASS II

0

Laser Diodes, Laser Modules

1. Overview

Laser diodes (LDs) are semiconductor devices that emit coherent light through stimulated emission. Laser modules integrate LDs with optical components, drivers, and thermal management systems. These devices are critical in telecommunications, medical systems, industrial processing, and consumer electronics due to their high efficiency, compact size, and precise beam control.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Edge-Emitting Laser DiodesHigh power output, narrow spectral widthFiber optic communication, LIDAR
Vertical-Cavity Surface-Emitting Lasers (VCSELs)Low divergence beam, array scalability3D sensing, data centers
Quantum Cascade LasersTunable mid-infrared emissionGas sensing, spectroscopy
Fiber-Coupled Laser ModulesIntegrated beam shaping, wavelength stabilizationMaterial processing, medical surgery
Multi-Transverse Mode LasersHigh brightness, multimode outputLaser projection, defense systems

3. Structure and Components

Laser Diodes: Composed of an active region (quantum well structure), cladding layers, and a resonant cavity formed by cleaved facets. Electrical contacts enable current injection.

Laser Modules: Integrate LDs with:

  • Collimating optics and beam-shaping elements
  • Photodiode feedback for power stabilization
  • Thermoelectric coolers (TEC) for temperature control
  • Driver circuits with modulation capabilities

4. Key Technical Specifications

ParameterDescriptionImportance
Wavelength (nm)Emission spectrum peakDetermines material compatibility and application suitability
Output Power (mW/W)Optical power levelCritical for processing speed and transmission distance
Wall-Plug Efficiency (%)Electrical-to-optical conversion rateAffects thermal management and power consumption
Beam Quality (M )Deviatoin from ideal Gaussian beamImpacts focusing precision and coupling efficiency
Lifetime (hours)Mean time before power 10%System reliability and maintenance intervals

5. Application Fields

Telecommunications: DWDM systems, free-space optical links

Medical: Laser scalpels, photodynamic therapy devices

Industrial: Cutting/welding machines, 3D printers

Consumer Electronics: LiDAR for AR/VR, facial recognition systems

Scientific: Atomic clocks, quantum computing research

6. Leading Manufacturers & Products

ManufacturerRepresentative ProductKey Features
LumentumLD-XX-Y Series1550nm wavelength, 100mW output, telecom-grade reliability
IPG PhotonicsLM-ABC-10WSingle-mode fiber delivery, 10W output at 976nm
CoherentOBIS Flexx SeriesTunable visible/near-IR output, integrated control
Hamamatsu PhotonicsL8612 SeriesPulsed VCSEL with 940nm peak wavelength

7. Selection Guidelines

Key considerations:

  • Wavelength compatibility with target material/transmission medium
  • Required power stability over temperature variations
  • Modulation speed requirements for communication systems
  • Environmental factors (humidity, vibration, operating temperature)
  • Form factor constraints and cooling method availability

8. Industry Trends

Emerging developments include:

  • High-power single-mode fiber lasers for metal processing
  • VCSEL arrays with >50% wall-plug efficiency for LiDAR
  • Photonic integrated circuits combining LDs with modulators
  • UV and deep-IR emitting devices for advanced spectroscopy
  • AI-driven thermal management systems for extended lifetime

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