AOM fourfold pass for efficient Q-switching and stable high peak power laser pulses

Riesbeck, Thomas; Lux, Oliver

doi:10.1016/j.optcom.2009.06.039

Optics Communications

2009

DOI: 10.1016/j.optcom.2009.06.039

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AOM fourfold pass for efficient Q-switching and stable high peak power laser pulses

Thomas Riesbeck

Oliver Lux

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Cited by 3 publications

(1 citation statement)

References 15 publications

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“…It is really a challenge to acquire a stabilized laser with a large tuning range. Many solutions have been developed to achieve the purpose, such as an acousto-optic modulator [12] (AOM), electrooptic modulator [13] (EOM), and optically phase locked loop [14,15] (OPLL). With AOMs, we can obtain spaceseparated lasers with different frequencies.…”

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confidence: 99%

Stabilized DFB laser system with large tuning range

Wang

et al. 2018

Chin. Opt. Lett.

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We propose, design, and realize a compact stabilized laser system that can be tuned within 24 GHz automatically. This laser system consists of two distributed feedback (DFB) lasers, one of which is reference and locked to the D2 line of 87 Rb, the other laser is a slave that is locked to the reference laser via a loop servo. We measured the frequency of the beating signal of the two lasers and generated an error signal, which controlled the frequency of the slave laser to close the loop. We compressed the fluctuation of the beating signal's frequency to less than 1 MHz. Furthermore, the system can also automatically determine and control whether the slave is red detuned or blue detuned to the reference. The dimensions of our laser system are about 15 cm × 20 cm × 10 cm. This kind of laser system can be applied in many important applications, such as atomic interferometer and cold atomic clock.

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confidence: 99%

Stabilized DFB laser system with large tuning range

Wang

et al. 2018

Chin. Opt. Lett.

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Acousto-optic modulation of gigawatt-scale laser pulses in ambient air

Schrödel,

Hartmann,

Zheng

et al. 2023

Nat. Photon.

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Control over the intensity, shape, direction and phase of coherent light is essential in numerous fields, from gravitational wave astronomy, quantum metrology and ultrafast sciences to semiconductor fabrication. Modern photonics, however, can involve parameter regimes where the wavelength or high optical powers involved restrict control due to absorption, light-induced damage or optical nonlinearity in solid media. Here we propose to circumvent these constraints using gaseous media tailored by high-intensity ultrasound waves. We demonstrate an implementation of this approach by efficiently deflecting ultrashort laser pulses using ultrasound waves in ambient air, without the use of transmissive solid media. At optical peak powers of 20 GW, exceeding previous limits of solid-based acousto-optic modulation by about three orders of magnitude, we reach a deflection efficiency greater than 50% while preserving excellent beam quality. Our approach is not limited to laser pulse deflection; gas-phase photonic schemes controlled by sonic waves could potentially be useful for realizing a new class of optical elements such as lenses or waveguides, which are effectively invulnerable against damage and can operate in new spectral regions.

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A stabilized laser continuously tunable over a range of 1.5 GHz

Fan

Xiong

Wang

et al. 2016

Review of Scientific Instruments

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We demonstrate a method to stabilize laser frequency which can be continuously tuned over a range of 1.5 GHz. It is based on saturated absorption spectroscopy (SAS) generated by an external-cavity diode laser (ECDL) which is modulated by an electro-optic amplitude modulator (EO-AM). The spectra consist of not only the original peaks corresponding to resonant and crossover lines of Cs D line, but also signals introduced by sidebands from an EO-AM. Thus, the laser frequency can be locked to any point within the range of the spectra. Furthermore, the tuning range of the laser can be doubled compared to the coverage of common SAS by fixing the frequency of the pumping laser. The best stability of the locked laser induced by the EO-AM is 1.27 × 10 over an integrating time of 125 s. This method may be applied for more precise and flexible manipulation of atoms and molecules.

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AOM fourfold pass for efficient Q-switching and stable high peak power laser pulses

Cited by 3 publications

References 15 publications

Stabilized DFB laser system with large tuning range

Stabilized DFB laser system with large tuning range

Acousto-optic modulation of gigawatt-scale laser pulses in ambient air

A stabilized laser continuously tunable over a range of 1.5 GHz

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