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Updated: Jun 4, 2026

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Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
Published on: April 24, 2014
Grating cavity dual wavelength dye laser.
Oscar Javier Zapata-Nava1, Ponciano Rodríguez-Montero, M David Iturbe-Castillo
1Instituto Nacional de Astrofísica, Óptica y Electrónica Apdo. Postal 51 y 216 Puebla, Pue 72000, México.
Optics Express
|March 4, 2011
Summary
This study demonstrates simultaneous dual wavelength dye laser emission using simplified Littman-Metcalf and Littrow cavities. The novel approach achieves dual-wavelength operation via two optical paths within the laser cavity.
Area of Science:
- Optics and Photonics
- Laser Physics
Background:
- Dye lasers are tunable sources of coherent light.
- Achieving simultaneous dual wavelength emission from dye lasers can be complex.
Purpose of the Study:
- To report simultaneous dual wavelength dye laser emission.
- To demonstrate this using simplified Littman-Metcalf and Littrow cavity configurations.
Main Methods:
- Utilized Littman-Metcalf and Littrow cavity configurations with minimal elements.
- Achieved dual wavelength operation through two optical paths within the cavity.
- Employed Styryl 14 laser dye in a PC/EG solvent, pumped by a Q-switched doubled Nd3+:YAG laser.
Main Results:
- Successfully achieved simultaneous dual wavelength emission from the dye laser.
- The emission wavelength ranged from 910 nm to 960 nm.
- The optical paths utilized reflection within the circulating dye cell.
Conclusions:
- Simplified Littman-Metcalf and Littrow cavities can enable efficient dual wavelength dye laser operation.
- This method offers a streamlined approach to generating multiple laser wavelengths simultaneously.
- The results are significant for applications requiring tunable, multi-wavelength laser sources.

