• Here population inversion is achieved by flash lamp irradiation of ruby rods. The colour (pink or red) of a Ruby crystal depends upon the amount of chromium in it. The Ruby laser was first developed by T. Maiman in 1960. ➨Output power of ruby laser is not as less as He-Ne laser type. Difference between SISO and MIMO Ruby lasers produce pulses of visible light of a deep red colour, at a wavelength of 694.3 nm. ➨Beam diameter of ruby laser is comparatively less than CO2 laser type. That is, the number of chromium ions in the energy state E2 ( metastable state) is more than the number of chromium ions in excited energy state E3. Crystals provides ruby laser crystals in two discrete chromium dopant levels, 0.03% and 0.05% measured by weight substitution of Cr 2 O 3 for A1 2 O 3. This process uses thermal energy to remove material from metallic or nonmetallic surfaces. !•A ruby laser is a solid-state laser that uses a synthetic ruby crystal as its gain medium.•A pulsed ruby laser was used for the famous laser ranging exper… HarmillonSingh HarmillonSingh 07.04.2018 Chemistry Secondary School Advantages of ruby laser for 3marks question 1 See answer HarmillonSingh is waiting for your help. It is used as a high power source of Pulse coherent radiation in interferometry and in pulsed holography. -Two energy levels in active amplifying medium are required. The laser software interface is self-explanatory, and if required, an integrated guide can be activated to provide additional tips and guidance. In which a part of aluminium ion is substituted by chromium ion. So ruby laser has a pulse output and hence called pulse laser. 3. A ruby stone benefits those in particular who are leaders, both secular and religious. Lasers in gynecology state lasers, the energy source is often from a flash lamp. Ruby lasers are used for holography, industrial cutting and welding. The efficiency boost will also generate savings when it comes to power costs. That is the energy level of chromium Ion takes part in the lasing action. • Since the ruby is in solid form therefore there is … Following are the benefits or advantages of Laser: It has high information carrying capacity and hence is used in communication domain for transmission of information. Of course, fiber laser machines have a lot of advantages in comparison with CO2 and diode laser machines. ➨Optical cavity of this laser is short as compare to other laser types. Thus , Ruby Rod with its one end only reflecting and the other end partially reflecting acts as a resonant cavity. In which a part of aluminum ion is substituted by chromium ion. The remaining part of the energy in the form of blue and green radiation is absorbed by the Ruby. A crystal of Aluminium oxide is specially grown with about 0.05% of the aluminium atom replace by chromium. Thermal distortion and scattering. Ruby laser has another absorption band which can be used for pumping, in the spectrum range: 350-450 [nm]. Hence they are used as toys for children. Fiber lasers also have two distinct advantages – speed and efficiency. CDMA vs GSM, ©RF Wireless World 2012, RF & Wireless Vendors and Resources, Free HTML5 Templates, Difference laser weapon and microwave weapon, Advantages & Disadvantages of Semiconductor Laser, Advantages & Disadvantages of Nd:YAG Laser, Advantages & Disadvantages of Argon Laser, Advantages & Disadvantages of He-Ne Laser. Typical ruby laser pulse lengths are of the order of a millisecond. solid (for example, Nd:YAG, holmium, ruby, alex­ andrite, semiconductor diode), liquid (dye laser), or a gas (for example, argon, krypton, excimer, He-Ne, CO2), In gas lasers, the energy source is generally delivered from an electrical power supply. The optical pumping result when incident photons of wavelength 5500Å. Following are the benefits or advantages of Ruby Laser: They are economical. Now customize the name of a clipboard to store your clips. That is the energy level of chromium Ion takes part in the lasing action. Ruby laser has very high output power of the order of 10 4 – 10 6 watts. Now we have to study the advantages and disadvantages. It has a narrow linewidth. This Photon Travels through the Ruby rod in a direction parallel to the axis of the rod and reflects back and forth (or to and fro) by the reflecting ends of the optical resonator until it Stimulates an excited chromium ion. It is all about the Ruby laser construction and working. Construction of ruby laser. While Ruby -- dramatically demonstrated as the world’s first operating laser over 40 years ago -- continues to be a primary selection to provide intense, high-powered pulses of visible spectrum energy. The Q-switched ruby laser (QSRL) used for dermatological applications works on the principle of selective thermolysis. The Stimulated transition of chromium Ion from metastable state E2 to the ground state E1  is known as laser transition. This is an expensive industrial equipment, not affordable to beginners and intermediate experienced tech guys. 2. Ruby is a crystal of Aluminium oxide. The active material in the Ruby is chromium ion. In which a part of aluminum ion is substituted by chromium ion. ➨Due to their low output power, they are known as class-I lasers. The authors describe the possibilities and advantages of ruby laser treatment of large congenital nevi as an alternative to surgical excision. In Ruby laser energy for excitation for population, inversion is supplied in the form of short flasher or pulse of light. Ruby laser has following uses or advantages or applications: 1. The chromium ions (Cr+3) take the site of Al in Al2O3 These energetic pulses of very short duration are spikes and the phenomena of generating these pulses are spiking. A laser rangefinder is a rangefinder, which uses a laser … Advantages of the ruby laser. Output power of Ruby laser is not as less as in He-Ne gas lasers. Sometimes reflecting coating are apply not on special plates. This page covers structure,basic working,advantages and disadvantages of Ruby Laser. No costs for third-party software packages. Ruby is a crystal of Aluminium oxide. The literature (from 1980 to 2002) is reviewed and a case report is presented. 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