Description
The M15 EEL 661 nm Laser Module (50-80 mW) is a high-precision, visible-red semiconductor laser designed for demanding industrial, measurement and alignment applications. Equipped with a built-in Automatic Power Control (APC) circuit, this module ensures stable output power over extended operation — delivering consistent performance even in changing environmental conditions.
An adjustable focus mechanism provides fine control of beam geometry and divergence, allowing operators to tailor the spot size or line shape based on site conditions or system layout. When paired with optional beam-shaping lenses (such as DOE or Powell optics), the module supports a wide range of tailored graphics: parallel lines, cross-lines, dotted arrays or custom patterns.
Flexibility extends to both continuous wave (CW) and pulse wave (PW) operation modes, giving engineers a choice between steady beam for alignment or modulated output for scanning, inspection or metrology tasks. With its robust construction and high output power in the red spectrum, it becomes an ideal choice wherever visible-red light is required for high-precision optical instrumentation.
Whether you’re working in automated inspection, optical alignment, sensor calibration or research prototypes, the M15 EEL 661 nm Laser Module offers the stability, adaptability and optical quality required by professional systems.
M15 EEL 661 nm Laser Module – 50-80 mW Visible Red Diode with APC & Adjustable Focus
Specifications
| Center Wavelength: | 0.661 um |
|---|---|
| Output Power: | 50 mW |
| CW Optical Power: | 50-80 mW |
| Operating Current: | 45-100 mA |
| Operating Voltage: | 12 V |
| Wavelength At Peak Emission: | 661 nm |
| Operating Temp. Range: | -10 to 70 °C |
| Storage Temp. Range: | -40 to 85 °C |
| Line Size At 100mm (beam Profile Test FWHM 50%): | 40 um |
| Line Size At 400mm (beam Profile Test FWHM 50%): | 120 um |
| Driving Circuit: | APC |
Features
- Center Wavelength: 661 nm (visible red)
- Output Power Range: 50–80 mW (typical)
- Built-in APC (Automatic Power Control) circuitry — ensures stable optical output over time & temperature
- Adjustable focus assembly — enables tuning of divergence/spot size for precise delivery
- Supports CW & PW modes — excellent for continuous alignment and pulsed scanning/inspection
- Compatible with optional optical lenses (DOE, Powell) for custom beam patterns: lines, crosses, arrays, graphics
- Rugged module housing for industrial usage; optimized for measurement, alignment and instrumentation environments
- Ideal for visible-red applications requiring high output and pattern versatility
Applications
Industrial Inspection & Metrology
- Precision alignment and targeting in machine vision systems
- Automated Optical Inspection (AOI) for electronics, PCB, micro-assembly
- Edge/feature detection in manufacturing lines using red-light source
Optical Alignment & Calibration
- Visible reference beams for optical bench, fiber-optic coupling or free-space setups
- Calibration of sensors and imaging systems with stable red laser reference
- Beam-shaping with DOE/Powell lenses for line/projector applications
Research & Prototyping
- Laboratory instrumentation using 661 nm for fluorescence excitation, Raman scattering or optogenetics reference
- Custom beam pattern generation for novel imaging, sensing or materials-characterization devices
- Pulsed red diode operation in time-resolved optical systems
Display, Graphics & Projection
- Generating visible red line or array patterns (via DOE) for motion tracking, gesture recognition or interactive systems
- Projection of cross-lines or grid overlays in alignment or calibration tools
Educational & Demo Systems
- Teaching modules illustrating beam shaping, laser stability and optics in academic/engineering labs
- Demonstration of visible-red laser modules for coursework, prototyping or hands-on optics labs
Frequently Asked Questions
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