650nm 50mW Red Laser Diode for Medical and Industrial Use
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China
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On FindLight:
since 2025
Description
The QSI 650nm 50mw Red Laser Diode QL65J7SA is a high-performance component designed to deliver precision and reliability in various demanding environments. Operating at a wavelength of 650nm, this laser diode offers an optical output power of 50mW, making it an ideal choice for applications that require consistent and powerful laser performance. Its continuous wave (CW) operation ensures stable and uninterrupted laser emission, which is crucial for both medical and industrial optical sensor applications.
Encased in a compact 5.6mm package, the QL65J7SA/B/C red laser diode module is engineered for efficiency and ease of integration into existing systems. The laser diode operates within a temperature range of -10°C to +70°C, ensuring functionality in a wide array of environmental conditions.
Additionally, its robust design allows for storage temperatures ranging from -40°C to +85°C, providing flexibility in handling and storage. The QL65J7SA/B/C red laser diode is designed with user safety and device longevity in mind. It incorporates features to prevent damage from electrostatic discharge (ESD) and surge currents, which are critical for maintaining the integrity of the laser diode during operation. Proper grounding and the use of anti-static measures are recommended to safeguard the device.
Furthermore, attention to soldering practices, such as maintaining a die-pad temperature below 200°C and utilizing a heat sink, is essential to ensure optimal performance and durability of the laser diode.
650nm 50mW Red Laser Diode for Medical and Industrial Use
Specifications |
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|---|---|
| Center Wavelength: | 0.65 um |
| Output Power: | 50 mW |
| Optical Output Power: | 50 mW |
| Laser Diode Reverse Voltage: | 2 V |
| Photo Diode Reverse Voltage: | 30 V |
| Operating Temperature: | -10 ~ +70 ℃ |
| Storage Temperature: | -40 ~ +85 ℃ |
| Threshold Current: | 30 - 60 mA |
| Operating Current: | 90 - 120 mA |
| Operating Voltage: | 2.6 - 3.0 V |
| Slope Efficiency: | 1.0 mW/mA |
| Lasing Wavelength: | 653 - 667 nm |
| Beam Divergence: | 6 - 12 deg |
| FWHM: | 15 - 25 deg |
| Beam Angle ∆θ II: | -3 - 3 deg |
| Beam Angle ∆θ ⊥: | -3 - 3 deg |
| Monitor Current: | 0.01 - 1.0 mA |
| Optical Distance ∆X, ∆Y, ∆Z: | ±60 μm |
Features
- 650nm Red Laser: This red diode laser provides a bright and visible red laser beam, ideal for various applications.
- 50mW Optical Output Power: Delivers a powerful and consistent laser output for demanding tasks.
- Continuous Wave (CW) Laser: Ensures a stable and uninterrupted laser operation.
- Single Transverse / TE Mode Laser: Offers high beam quality and precision.
- Compact 5.6mm Package: Designed for easy integration into various systems and devices.
- Wide Operating Temperature Range: Functions effectively between -10°C and +70°C, suitable for diverse environments.
- Robust Electrical Characteristics: Features a reverse voltage of 2V for the laser diode and 30V for the photo diode.
- Efficient Slope Efficiency: Provides a slope efficiency of 1.0 mW/mA, ensuring energy-efficient performance.
- Precise Beam Divergence: Offers a beam divergence of 6° to 12° parallel and 15° to 25° perpendicular, allowing for accurate targeting.
- Stable Lasing Wavelength: Operates within a wavelength range of 653nm to 667nm, ensuring consistent performance.
- Durable Design: Built to withstand storage temperatures from -40°C to +85°C, ensuring longevity and reliability.
- Advanced Safety Features: Includes precautions against surge current and electrostatic discharge (ESD) to protect the laser diode.
Applications
- Medical
- Industrial Optical Sensor
- Metrology
- Inspection
- Spectroscopy
Frequently Asked Questions
The lasing wavelength of the QL65J7SA/B/C laser diode ranges from 653 nm to 667 nm.
The maximum optical output power of the QL65J7SA/B/C diode laser is 50 mW.
The operating temperature range for the QL65J7SA/B/C red laser diode is from -10°C to +70°C.
To prevent damage, avoid exceeding absolute maximum ratings, protect against ESD and surge currents, ground the device and circuits, wear anti-static clothing, and use anti-static containers for storage and transport.
When soldering, ensure the temperature of the die-pad portion is less than 200°C, and it is recommended to use a heat sink to radiate heat.
The beam divergence of the QL65J7SA/B/C laser is between 6 and 12 degrees parallel to the junction and 15 to 25 degrees perpendicular to the junction.
The QL65J7SA/B/C laser is suitable for medical and industrial optical sensor applications.