Mini Laser Diode Modules
Mini laser diode modules are essential in a wide range of defense, medical, industrial, and consumer applications where small size, high stability, and precise beam control are critical.
1. Weapon & Tactical Applications
Miniature laser diode modules are widely used in:
- Laser sights for guns and firearms
- Laser grips
- Laser aiming systems for guns
- Laser shooting simulators
- Laser rangefinders
Laser Module for Laser Sight Laser Sight
Wavelength & Power Options:
- 520nm, 635nm, 650nm, 850nm
- Visible aiming: 1mW or 5mW
- Infrared (IR) illumination: 300–500mW+ (SMD 3535 VCSEL at 850nm)
Beam Spot Options:
- Standard: 10×20mm @ 20m — near-circular elliptical spot
- Custom: ≤6×9mm @ 10m — more circular for higher precision
- IR Illumination: ~300mm @ 10m — ideal for night vision and long-range lighting
Module Design:
- Ultra-compact: Ø6mm × 15mm, Ø6.0x12mm, Ø4.0x10mm, Ø3.8x8.5mm, Ø3.3x8.0mm. (Custom)
- Integrated Photodiode (PD) for real-time output monitoring & feedback control
- Pin terminals: standard positive-case polarity; cathode-case & reverse-bias options available
- Optional tail wires or integrated APC/ACC PCB drivers for plug-and-play stability
Performance & Reliability:
- Laser diodes from trusted brands (e.g., Sharp)
- Lifetime: >1000 hours
- Operating temperature: -10°C to +50°C
- Glass lenses for low divergence & crisp, well-defined spots
2. Medical Applications
Small laser diode modules are indispensable in medical diagnostic and therapeutic systems due to their high stability, precise wavelength control, and compact integration capability.
Red Light Therapy Device Fractional Laser Treatment
- Dermatology: Skin lesion detection, vascular treatment, pigmentation therapy
- Ophthalmology: Retinal imaging, laser photocoagulation, OCT
- Flow Cytometry: Precise fluorophore excitation
- Fluorescence Instrumentation: DNA sequencers, immunoassay analyzers
Advantages:
- Tight wavelength tolerance for accurate chromophore targeting
- Low beam divergence for precision illumination
- Stable output over long operation times
- Compact form for portable & handheld instruments
3. Industrial Applications
In industrial environments, mini laser diode modules are used as precision alignment, measurement, and processing tools where space and performance are critical.
Alignment & Positioning Measurement & Distance Sensing
- Alignment & Positioning: Machine vision systems, robot guidance, construction leveling tools
- Measurement & Distance Sensing: Laser triangulation sensors, TOF systems, displacement meters
- Cutting & Marking: Positioning aids for CNC machines, textile cutters, engraving tools
- Target Indication: Drilling rigs, welding systems, surveying instruments
Advantages:
- Reliable in -10°C to +50°C environments
- Long operational lifetime (>1000 hours)
- Glass optics maintain sharp beam quality
- Compact design fits into tight mechanical spaces
Wavelength & Application Reference
| Wavelength | Color | Typical Applications | Output Power Range |
| 388nm | UV | Fluorescence excitation, DNA analysis, photolithography | 1–50mW |
| 405nm | Violet | Blu-ray optical systems, fluorescence microscopy, medical diagnostics | 1–50mW |
| 450nm | Blue | Flow cytometry, bioanalysis, laser projection | 1–50mW |
| 520nm | Green | Weapon sights, medical imaging, industrial alignment | 1–5mW |
| 635nm | Red | Tactical aiming, flow cytometry, positioning | 1–5mW |
| 650nm | Deep Red | Phototherapy, industrial targeting | 1–5mW |
| 850nm | Infrared | Night vision, IR range finding, industrial sensing | 300–500mW+ (VCSEL) |
Where to Buy the Mini Laser Diode?
Aiming Laser Technology Co., Ltd. is a professional mini laser diode manufacturer, factory, and supplier with over 20 years of experience.
Contact us for OEM/ODM custom service and bulk orders:
Email: brant@aiminglaser.com
Tel: +86-29 81133385
Phone/WhatsApp: +86-18192375863