CO2 Laser (The molecular gas laser) The beam divergence of the CO2 gas laser ranges from 1 to 10 milli radians. The beam width varies from 3mm for low power lasers up to 100mm for high powered lasers. The CO2 laser can be operated in either CW or Pulse mode commonly. Continuous wave (CW) power output can ranges from few watts to over 15,000 watts. Energy Level Diagram Of Co2 Laser | Diagram Co2 laser gas lasers q1 lasers the following diagram shows vibration chegg com figure 3 energy diagram of co2 laser wiring database. Trending Posts. Prelim 13 Dressage Test Diagram. 3 Phase Submersible Pump Starter Circuit Diagram. Draw Shear And Moment Diagrams For The Beam Chegg. Longitudinally Excited CO Laser InTech Open Longitudinally Excited CO2 Laser 117 2. Principle of CO2 laser The CO2 laser oscillates in the vibrational level of CO2 molecular. The CO2 laser has about 100 oscillation lines at the center of 9.6 μm and 10.6 μm between 9.2 μm and 11.4 μm. Fig. 3 shows the energy diagram of CO2 laser. Generally, the CO2 laser is pumped by glow Carbon Dioxide (CO2) Lasers Selection Guide | Engineering360 Carbon Dioxide (CO2) Lasers Information. As discussed in the Lasers Selection Guide, all lasers consist of three components: an energy source (also known as a pump), a gain (or laser) medium, and an optical resonator. These components are labeled in the diagram below. The pump serves to provide energy which is amplified by the gain medium. Laser Fundamentals Federation of American Scientists As shown in figure 3, the three basic components of a laser are: Lasing material (crystal, gas, semiconductor, dye, etc...) Pump source (adds energy to the lasing material , e.g. flash lamp, electrical current to cause electron collisions, radiation from a laser, etc.) 1.1.7 Carbon Dioxide (CO ) Laser University of Babylon 3. Asymmetric stretch mode ( 3). Figure 1.6: Oscillation Modes of CO2 Molecule Lasing transitions in CO2 laser Lasing transitions in CO2 laser occur when the molecule is going from higher energy level of the asymmetric mode into one of the other two, as can be seen in figure 1.7. The CO Laser: The Workhorse of the Laser Material ... The three wavelength are: the strongest line of the CO. 2 laser, namely 10.6 microns; 1.06 microns for Nd:YAG and its derivates lasers in either rod, slab, fiber or disc forms; and 0.91 micron as the average of the three high power laser diodes arrays’ wavelengths, 0.808, 0.94, and 0.975 microns. Molecular Expressions: Physics of Light and Color Laser ... The tutorial initializes with two energy diagram windows representing a three level (on the left) and a four level laser (on the right). Positioned beneath the windows are a pair of blue Start buttons that can be used to initiate energy state transitions in each window separately or both windows together. Carbon dioxide lasers deliver flexibility and power Simultaneous rotational transitions create large families of laser lines, so that CO2 lasers can either lase in narrow lines or effectively across a broad band. Excitation energy is supplied by an electric discharge, but adequate efficiency requires the mixing of CO2 with nitrogen (N2) and helium (He). Chapter 7 Lasers Figure 7.5: Three level laser medium. 3 N 3 γ32 2 N2 Rp γ 21 1 N1 γ10 0 N0 Figure 7.6: Four level laser medium. If the medium is in thermal equilibrium, typically only the ground state is occupied. By optical pumping with an intense lamp (flash lamp) or another laser one can pump a significant fraction of the atoms from the ground state

figure 3 energy diagram of co2 laser Gallery


applications optical properties of materials part 5

applications optical properties of materials part 5

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