Thursday, December 20, 2012

the user query data based on query instructions

The laser medium is a ruby crystal, which have trace amounts of chromium atoms. In the beginning, the flash of light launched into the laser

medium, the chromium atoms in the laser medium are excited outermost electron transitions to the excited state. Thus RF green laser pointer with remote control is more popular among customers.
At this point, some electronics through the release of photons, to return to a lower energy level. Released photon will be located at both ends of the laser medium, a mirror reflected back and

forth to induce more electrons by stimulated emission of radiation, so that the laser intensity increased. Photon reflection at the ends of one side of the mirror will, the other side of the mirror

will most of the photon reflection, and let the remaining small portion of photons through; photons through the mirrors constitutes the laser we have seen. The status of the population inversion.

Laser, there is a trick, is to achieve the status of the so-called population inversion. While adopting 2.4 G technology green laser pointer with remote control, the optical resolution of the green

laser pointer will be up to 1000 CPI.The ship date of green laser pointer should be several days after the customer orders green laser pointer
Ruby laser as an example (Fig. 4) atoms first absorb energy, the transition to an excited state. Atoms in the excited state is very short, about seconds, it will fell to an intermediate state

called metastable. Atom stays in the metastable time is very long, about a second or longer. E-long stay in the metastable state, resulting in metastable atomic number than the number of atoms in

the ground state, this phenomenon is called population inversion. The inversion of laser, because it makes by stimulated emission from the metastable state back to ground state atoms, more than

absorbed by the ground state transition to the metastable atoms via spontaneous, thus ensuring the medium photons contained increased output laser. green laser pointer with remote control locates

the target more accurately and flexibly.Without identification on the keyboard "Enter" health), enter the password correctly, enter as shown in Figure 4.13 as shown in the window, the user query data based on query instructions. Figure

4.13 Data Query window. This operation so that the cumulative weight from 0, the general in the transportation of the goods before or staff shift when the cumulative cleared. Click cumulative

cleared, the system prompts "Do you really want to cumulative weight cleared" as shown in Figure 4.14: Figure 4.14 confirm the cumulative cleared the window. Select "OK", then the password input

window shown in Figure 4.15. green laser pointer is warmly welcome in America.

No comments:

Post a Comment