Month: May 2011

LASER

Meaning of Holography

The word holography originates from the Greek words “holos” (complete) and “graphos” (writing). Thus, it is the technique to record the complete picture of an

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Applications of lasers

Lasers have applications in almost every field like medicine, industry, communication, and science and technology. These applications are due to the directional, coherent, and monochromatic

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Q Switching

Q-switching is a technique used to produce a high output pulse. It is accomplished by using a device to prevent the reflection of photons back

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Working of dye laser

Last time I have discussed the construction of dye lasers. Let us discuss the working of dye laser: The molecules have singlet as well as

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