What kind of challenge does the laser point power meter face?
Laser pointers are used in industry. For example, construction companies can use high-quality high powered laser pointer to improve the accuracy of displaying specific distances when working on large projects. Because of their accuracy, they have proven to be useful for this type of business and save them a lot of time. Essentially, the laser pointer is built into an infrared thermometer to pinpoint where it is pointing, or it can become a part of a laser level or other equipment. These are the simplest guidelines, because laser diodes can be used at these wavelengths. The pointer is just a battery-powered laser diode. The first red laser pointers introduced in the early 1980s were large and bulky devices that sold for hundreds of dollars. Today, they are much smaller and generally lower in cost. In the 21st century, a diode-pumped solid-state (DPSS) red laser pointer that emits 671 nm light can be used. This wavelength can be obtained directly by inexpensive laser diodes, but the DPSS version can achieve higher beam quality and narrower spectral bandwidth.
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A blue laser pointer of a specific wavelength, such as 473 nm, usually has the same basic structure as a DPSS green laser. In 2006, many factories began to manufacture blue laser modules for mass storage devices, and these modules were also used for laser pointers. Blue lasers can also be manufactured directly using InGaN semiconductors, which can produce blue light without doubling the frequency. 450 nm (447 nm ± 5 nm) blue laser diodes are currently available on the open market. Some blue diodes have very high power. When over-driving, such as Nichia's NDB7K75 diode, it can continuously output more than 5 watts of energy.
2021-11-17 11:32:55
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