D A Kuzin, I I Kuznetsov, A N Mitrofanov, E A Perevezentsev, A V Starobor, O V Palashov
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引用次数: 0
Abstract
A method for suppressing the effect of amplified spontaneous emission (ASE) in a thin-disk (TD) laser is proposed. The method is based on reducing the reflectivity of the mirror surface of the active element at large angles of incidence and directing the ASE to the bulk of the heatsink. Reflectivity reduction is achieved through the optimization of the multilayer dielectric mirror and bonding active element and heatsink directly or with a high refractive index glue. The ASE effect and its impact on laser characteristics depending on the reflection coefficient profile at the mirror face are modeled. Active element (AE)-heatsink interfaces allowing nearly complete ASE suppression are proposed. This significantly increases the gain and stored energy, without affecting the signal and pump beams in any way.
期刊介绍：
The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community.
Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.
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