Laser Diodes, Laser Modules

Image Part Number Description / PDF Quantity Rfq
VLM-532-43-SCB

VLM-532-43-SCB

Quarton, Inc.

LASER DIODE 532NM 10MW

0

114990184

114990184

Seeed

LASER DIODE 650NM 2MW MODULE

0

VLM-532-47LPT

VLM-532-47LPT

Quarton, Inc.

LASER DIODE 532NM 2.5MW 13MM DIA

0

GH06550B2B

GH06550B2B

Sharp Microelectronics

LASER DIODE 654NM 50MW TO18

0

GH0781JA2C

GH0781JA2C

Sharp Microelectronics

LASER DIODE 784NM 120MW TO18

0

COM-09906

COM-09906

SparkFun

LASER DIODE 532NM 5MW 12MM DIA

0

VLM-532-42-SCA

VLM-532-42-SCA

Quarton, Inc.

LASER DIODE 532NM 5MW 10.4MM DIA

0

SPL DS 90_3 C1011

SPL DS 90_3 C1011

OSRAM Opto Semiconductors, Inc.

LASER DIODE 903NM 3.7W MODULE

0

MM6605I

MM6605I

US-Lasers, Inc.

LASER DIODE 660NM 5MW 6.4MM DIA

0

OED-LDC15001EB

OED-LDC15001EB

Lumex, Inc.

LASER DIODE 1550NM 5MW TO18

0

OPV315YAT

OPV315YAT

TT Electronics / Optek Technology

LASER DIODE 850NM 0.75MW PNL ST

0

DM80-01-1-9320-3-LC

DM80-01-1-9320-3-LC

Finisar Corporation

LASER DIODE 1552NM 5.011MW

0

OED-LD65001E

OED-LD65001E

Lumex, Inc.

LASER DIODE 650NM 5MW TO18

0

IF-UL08-635X

IF-UL08-635X

Industrial Fiber Optics, Inc.

KIT WITH LASER DIODE UL08-635

0

015292

015292

Excelitas Technologies

LASER MODULE 561NM 20MW

0

VOL6605I

VOL6605I

US-Lasers, Inc.

LASER DIODE 660NM 4.8MW 10.4MM

0

M6605I

M6605I

US-Lasers, Inc.

LASER DIODE 660NM 5MW 10.4MM DIA

0

OPV315AT

OPV315AT

TT Electronics / Optek Technology

LASER DIODE 850NM 0.75MW PNL ST

0

OED-LDP65001E

OED-LDP65001E

Lumex, Inc.

LASER DIODE 650NM 5MW TO18

0

IF-RL30-670

IF-RL30-670

Industrial Fiber Optics, Inc.

LASER DIODE 670NM 2.8-3.2MW

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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