Wittrock, Ulrich
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- adaptive optics (3)
- deformable mirror (3)
- active optics (2)
- active optics, adaptive optics, sharpness metrics, aberration compensation, algorithm design (2)
- space optics (2)
- space telescopes (2)
- Active or adaptive optics (1)
- Deformable mirror, adaptive mirror, unimorph mirror, high-power laser (1)
- Space instrumentation (1)
- Space optics (1)
- Telescopes (1)
- active optics, metrics, aberration compensation (1)
- active or adaptive optics (1)
- adaptive optics; image-sharpness (1)
- diode-pumped laser (1)
- laser crystal (1)
- praseodymium (1)
- radiation (1)
- refractive index change (1)
- solid-state laser (1)
- space instrumentation (1)
- space qualification (1)
- telescopes thermal effects vibration analysis (1)
- thermal expansion coefficient (1)
- unimorph (1)
- vibration damping (1)
- ytterbium laser (1)
- yttrium lithium fluoride (1)
Efficient quasi-three-level laser operation requires the generation of the highest possible pump rate from a given pump source. We derive the fundamental scaling laws for the pump rate and we extract optimization criteria for pump concepts from these laws. The analysis is then applied to the thin-disk laser. Based on the results, a novel pump concept for thin-disk lasers is proposed, which allows for several tens of pump beam passes and reduces the optical complexity of conventional pump concepts. Furthermore, the beam quality of the pump source is preserved almost completely, facilitating the highest possible pump rate.