RGB Laser Diodes (LD) – Red / Green / Blue
Our red, green and blue semiconductor laser diodes provide visible laser sources for display, projection and optical systems. The range includes a 638 nm red diode with CW and pulsed operation, a 525 nm green diode with built-in fast-axis collimation, and a 455 nm blue diode with an integrated Zener protection diode.
Key Features
RGB Wavelength Options: Typical wavelengths of 638 nm, 525 nm and 455 nm.
High Optical Output: CW output options of 0.5 W, 2 W and 6 W.
Compact Packages: Available in Ø5.6 mm and Ø9 mm packages.
Green Diode Collimation: Built-in fast-axis collimation.
Blue Diode Protection: Integrated Zener protection diode.
Technical Specifications
638 nm Red Laser Diode
Electrical/optical characteristics at Tc = 25°C.
Parameter | Test Conditions | Min. | Typ. | Max. | Unit |
Threshold Current | CW | 90 | 170 | 210 | mA |
Operating Current | CW, Po = 0.5 W | 500 | 650 | 800 | mA |
Operating Voltage | CW, Po = 0.5 W | 1.9 | 2.2 | 2.6 | V |
Slope Efficiency | CW, Po = 0.5 W | 0.8 | 1.0 | 1.4 | mW/mA |
Peak Wavelength | CW, Po = 0.5 W | 632 | 638 | 644 | nm |
Beam Divergence — Parallel | CW, Po = 0.5 W | 1 | 7.5 | 15 | ° |
Beam Divergence — Perpendicular | CW, Po = 0.5 W | 25 | 35 | 45 | ° |
525 nm Green Laser Diode
Initial electrical/optical characteristics at Tc = 25°C.
Parameter | Test Conditions | Min. | Typ. | Max. | Unit |
Optical Output Power | CW | 2.0 | 2.00 | — | W |
Operating Current | CW | — | 2.15 | 2.4 | A |
Operating Voltage | CW | — | 4.40 | 5.5 | V |
Threshold Current | CW | — | 0.25 | 0.42 | A |
Slope Efficiency | If = Iop | — | 1.05 | — | W/A |
Electrical-to-Optical Efficiency | If = Iop | — | 21.1 | — | % |
Center Wavelength* | If = Iop | 519.0 | 525 | 531.0 | nm |
Spectral Width (FWHM)* | If = Iop | — | 2.5 | 5 | nm |
Beam Divergence — Parallel (Full Width at 1/e²) | If = Iop | 8 | 10 | 14 | ° |
Beam Divergence — Perpendicular (Full Width at 1/e²) | If = Iop | 0.8 | 1 | 1.2 | ° |
455 nm Blue Laser Diode
Initial electrical/optical characteristics at Tc = 25°C.
Parameter | Test Conditions | Min. | Typ. | Max. | Unit |
Optical Output Power | If = 3.3 A | 5.5 | (6.0) | — | W |
Dominant Wavelength | If = 3.3 A | 448 | (455) | 462 | nm |
Threshold Current | CW | 220 | — | 420 | mA |
Operating Voltage | If = 3.3 A | 3.7 | — | 4.2 | V |
Slope Efficiency | CW | — | (2.1) | — | W/A |
Beam Divergence — Parallel | If = 3.3 A | 5 | (14) | 25 | ° |
Beam Divergence — Perpendicular | If = 3.3 A | 0.8 | (1) | 1.2 | ° |
Values in parentheses are reference figures.
Applications
638 nm Red Diode: Display systems and biomedical applications.
525 nm Green Diode: Stage beam effects, cultural tourism laser animations, laser projection and optical equipment.
455 nm Blue Diode: Stage beam effects, cultural tourism laser animations, laser projection and optoelectronic equipment.