What factors affect the green laser range?
Application range of green laser pointer
Green lasers have received widespread attention because of their high efficiency and long-term continuous working ability. Today's astronomical green lasers are mainly pumped by high-power multimode single-mode single-core diode modules or diode array modules through single-mode cladding. Green laser pointers always use infrared laser diodes, which generate green light by doubling the frequency. The infrared beam (808 nm) from the diode first pumps the neodymium-doped crystal, producing 1064 nm (infrared) light. For the "laser pointer" function, it actually emits a laser through the mouse itself, and a red dot will appear on the illuminated object. Due to the characteristics of the laser itself, it can transmit a long distance. Teachers can use this The red dot is used to emphasize the key point, just like the old Laser pointer; and the "Lecturer Pointer" can be said to be an upgrade of the function of the "Laser Pointer". It is a unique technology launched by the well-known domestic keyboard and mouse brand Shuangfeiyan (details can be seen) . The author recommends several mouse and keyboard products with laser pointer function for Teacher’s Day. Of course, these are not only suitable for teachers, but also suitable for various conference and office environments.
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Laser pointer: also known as laser pointer, pointing star pointer, etc. It is a pen-shaped transmitter designed to be portable, easy to hold, and processed into laser modules (diodes) with visible lasers. Common laser pointers include red light (650-660nm, 635nm), green light (515-520nm, 532nm), blue light (445-450nm) and blue-violet light (405nm), etc. The power is usually measured in milliwatts. Generally speaking, teaching, and guided tour personnel will use it to project a light spot or a light directed at an object, but the laser will hurt the eyes. Under no circumstances should the laser be directed at the eyes. Green laser pointers play a vital role in the next generation of HD DVD and Blu-ray disc formats, and their production has been tricky. Sony introduced the PS3 with a Blu-ray player in 2006, but production issues with the green laser pointer had a major impact on the PS3. Sony said it has solved this problem. The diameter of this unique core pattern is 5 to 12 microns. Double-clad fiber focuses on single-mode fiber doped with appropriate amount of rare earth ions (such as erbium-doped, erbium-doped, erbium-doped or erbium-doped). The sheath is non-doped low-reflectivity quartz glass. The pump source is injected into the coating and then driven to this position.
2021-09-14 11:46:41
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