What are the matters need attention when people use green laser pointer?
This refers to the green laser pointer output beam uality beam uality, the higher the higher the uality dicing. 2 optical system uality of the lens: beam expander magnification reuirements of large, but the aberration to be small, short focal length, but also small aberrations, dicing and good uality. 3 focal plane of choice: focus on the processing of multi-choice or slightly below the surface of machined surface especially for thick film 4. the choice of processing parameters: processing of different materials (single crystal, polycrystalline, amorphous), different thickness of the workpiece, to choose a different laser output parameters and processing parameters include: output power, switching freuency, focus position, processing speed, etc. 5.The government organizations also have purchased green laser pointer for speech and training. sucker structure choice: processing of different materials, sucker structure is different, some with flat, some with a groove with the plane. depending on material of different designs of different suction cups 6. stability of the system include: laser, optical system stability and the stability of the table movement, parallelism, etc.
Laser 1, 200mW green Laser Pointer principle (principle of laser) 1. Spontaneous and stimulated emission of radiation absorbed by an energy from the outside world? Atoms in the lower state atoms in the lower state E 1, from the outside world to absorb an energy? E of the photon to energy state E known as the optical absorption of light absorption. Achieve high-energy photon state 2, known as optical absorption. What are the matters need attention when people use 100mW green laser pointer?Atomic transition from the high-energy state to a lower state, the atom emits energy from the high-energy state when the transition to a lower state, hν = E 2? E1 =? E of the photon, called optical radiation. Photons, called optical radiation. Optical radiation is radiation, two cases: optical radiation of two situations: the spontaneous transition, resulting in spontaneous emission. Spontaneous transition, resulting in spontaneous emission. Spontaneous emission induced transition, resulting in stimulated emission. Induced transition, resulting in stimulated emission. By stimulated emission of radiation 12. Is light amplification or optical absorption in high-energy atoms in state E, spontaneous transitions before, in the high-energy atoms in state 2, the spontaneous transition before, if the photons are subject to external disturbances, induced transitions can occur, the occurrence of stimulated radiation, the son of the disturbance, induced transitions can occur, the occurrence of stimulated emission, and even more with a given external photon with frequency, the same phase, and even more with an external photon with frequency, the same phase, with the vibration direction and with the direction of propagation of photons. You may need to install a drive to use green laser pointer for the first time.Known as the optical amplification process. Moving direction and the optical amplification process with the photon propagation direction. Known as the optical amplification process. Through the optical amplification process, through the optical amplification process, get a bunch of monochromatic and coherent beam of high intensity are good, this is the laser laser. Good high-intensity beam, which is the laser. Optical amplification process must occur to meet the N2 / N1>> 1, N2 high energy state, the number of low-energy states of atoms. Visible, atomic number, N1 the number of low-energy states of atoms.
In high-energy state, while the number of atoms in the lower state to be small. 50mW blue violet laser pointer should be used in the places where there are no electromagnetic interference.
Visible, to make a large number of atoms in a high-energy state, while the number of atoms in the lower state to be small.
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