Laser diode modes estimation by moiré analysis of interference pattern

Dagmar Senderakova; Milan Drzik; Vladimir Mesaros

doi:10.1117/12.2070408

6 January 2015 Laser diode modes estimation by moiré analysis of interference pattern

Dagmar Senderakova, Milan Drzik, Vladimir Mesaros

Proceedings Volume 9450, Photonics, Devices, and Systems VI; 94500Z (2015) https://doi.org/10.1117/12.2070408
Event: Photonics Prague 2014, 2014, Prague, Czech Republic

Abstract

Laser diode module (LDM) became a commonly used light source, even when the interference pattern has to be created. Nowadays, fabricating a holographic grating is relatively a simple procedure. The two-beam interference took an important role among all of its applications. Nevertheless, the parameters of the interference grating depend on properties of the light source and recording medium used. On the contrary, a holographic grating may become a simple and useful tool to reveal real temporal coherence properties of widely used LDM and to determine frequency spacing when more longitudinal modes are generated.

Citation Download Citation

Dagmar Senderakova, Milan Drzik, and Vladimir Mesaros "Laser diode modes estimation by moiré analysis of interference pattern", Proc. SPIE 9450, Photonics, Devices, and Systems VI, 94500Z (6 January 2015); https://doi.org/10.1117/12.2070408

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