Laser has the advantage of high energy density, good directivity and so on. Laser headlamp which using laser as the light source of automobile headlamp also has the merits one of the research hotspots in solid-state lighting lighting. This paper studies the laser actived automotive lighting. This paper introduces analyzes the characteristics and advantages of laser the laser lighting of vehicles. Semiconductor lasers and different types of Ce:YAG fluorescent ceramic sheets Remote static excitation is systematically research with an illumination of 5277lx and a color temperature of 4500K automotive laser lighting.
The high power infrared 2μm lasers have been extensively investigated for a number of commercial, scientific and engineering applications, such as remote chemical sensing, medical diagnostics, eye-safe laser radar, and environmental monitoring. Furthermore, high-power 2μm lasers are effective pump sources of optical parametrical oscillators and optical parametrical amplifications to generate mid-infrared 3-5μm laser. In recent years, Ho:YAlO3(Ho:YAP) crystal has drawn great attention as a promising efficient laser material for its long emission wavelength at 2118nm. An acoustic-optical Q-switched Ho:YAP laser pumped by an all fiber thulium-doped fiber laser is demonstrated. The all fiber thulium-doped fiber laser can emit 80W output power, and the output laser wavelength is 1915nm. By using this 1915nm laser to end pump the AO Q-switched Ho:YAP laser system, 2118nm laser with 30W average power and 45ns pulse width at 20kHz repetition rates was obtained.
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