Laser: Béda antara owahan
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Révisi kala 18 Dhésèmber 2009 17.47
Laser (cekakan saka basa Inggris: Light Amplification by Stimulated Emission of Radiation) iku sawijining alat sing migunakaké èfèk mekanika kuantum, pancaran kastimulasi, kanggo ngasilaké sawijining cahya sing kohèrens saka medium "lasing" sing dikontrol kamurnian, ukuran, lan wanguné. Sinar laser bisa sambung-sinambung lan kanthi amplituda-konstan (dikenal minangka CW utawa gelombang berkelanjutan), utawa detak, kanthi migunakaké tèknik Q-switching, modelocking, utawa gain-switching.
Jrpning operasi detak, akèh daya puncak sing luwih dhuwur bisa digayuh. Sawijining medium laser uga bisa duwé fungsi minangka amplifier optikal nalika di-seed nganggo cahya saka sumber liya. Signal sing dikuataké bisa mèmper banget karo signal input jroning istilah panjang gelombang, fase, lan polarisasi; Bab iki wigati jroning komunikasi optikal. Tembung kriya "lase" maknané mroduksi cahya kohèrens, lan asalé saka tembung laser iki.
Deleng uga
- active laser medium
- laser applications
- laser construction
- laser science
- list of laser types
- ring laser gyroscope
- maser
- Laser Induced Breakdown Spectroscopy (LIBS)
- Laser pointer
Pranala jaba
- Sam's Laser FAQ by Samuel M. Goldwasser
- Encyclopedia of laser physics and technology by Rüdiger Paschotta
- Liquid Light by Phil Schewe, James Riordon, and Ben Stein
- Light turns into glowing liquid by Eugenie Samuel
- Experiments Detail How Powerful Ultrashort Laser Pulses Propagate through Air
- Filamentation and Propagation of Ultra-Short, Intense Laser Pulses in Air
- Lasing Activity without Population Inversion by Phillip F. Schewe and Ben Stein
- Lasing without Inversion by Phillip F. Schewe and Ben Stein
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