Laser Diodes, Laser Modules

Image Part Number Description / PDF Quantity Rfq
D2547P24

D2547P24

Broadcom

LASER MODULE

0

D2547P47

D2547P47

Broadcom

LASER MODULE

0

ADNV-6340

ADNV-6340

Broadcom

LASER DIODE 849NM 4.5MW 2DIP

0

E2560S35

E2560S35

Broadcom

LASER DIODE

0

E2560D25

E2560D25

Broadcom

LASER DIODE

0

E2560D28

E2560D28

Broadcom

LASER DIODE

0

E2560S53

E2560S53

Broadcom

LASER DIODE

0

E2560S31

E2560S31

Broadcom

LASER DIODE

0

D2547P33

D2547P33

Broadcom

LASER MODULE

0

E2560S

E2560S

Broadcom

LASER DIODE

0

E2560D50

E2560D50

Broadcom

LASER DIODE

0

E2560S23

E2560S23

Broadcom

LASER DIODE

0

E2560S29

E2560S29

Broadcom

LASER DIODE

0

E2560D49

E2560D49

Broadcom

LASER DIODE

0

D2547P46

D2547P46

Broadcom

LASER MODULE

0

E2560S37

E2560S37

Broadcom

LASER DIODE

0

D2547P35

D2547P35

Broadcom

LASER MODULE

0

D2547P18

D2547P18

Broadcom

LASER MODULE

0

E2560S56

E2560S56

Broadcom

LASER DIODE

0

E2560S24

E2560S24

Broadcom

LASER DIODE

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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