Universiti Teknologi Malaysia Institutional Repository

Diagnostic of high-energy Nd-YAG laser polarizer

Bidin, Noriah and Abdullah, Nurul Syafiqah and Mat Daud, Yaacob (2006) Diagnostic of high-energy Nd-YAG laser polarizer. In: n/a, 2006, n/a.

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Polarized beam is very vital for operating light switches. High polarization purity is pertinent in high power Q-Switched Nd:YAG laser system. The aim of this project is to diagnose two high-energy polarizers which are commonly used in Q- Switched Nd:YAG laser system namely Glenn-Laser calcite and thin film. The polarization purity was determined by using low power He-Ne laser in place of high power Nd:YAG. The power of He-Ne laser was set at 10 mW with wavelength of 632.8 nm. The beam was aligned to produce parallel plane polarizer. A polaroid polarizer was used as analyzer. The transmission power was measured using a power meter at variable angular rotations from 00 to 360o. The result obtained shows that, both polarizers have produced linear polarization. However, the thin film polarizer had produced a closer result more similar to He- Ne beam polarization. Hence, the thin film polarizer is a better choice to polarize high power Nd:YAG beam since it has higher polarization purity and transmission.

Item Type:Conference or Workshop Item (Paper)
Subjects:Q Science
ID Code:24831
Deposited By: Liza Porijo
Deposited On:24 Apr 2012 09:23
Last Modified:20 Sep 2017 14:46

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