Download e-book for iPad: Solid-state lasers and applications by Alphan Sennaroglu
By Alphan Sennaroglu
As a result favorable features of solid-state lasers, they've got develop into the popular applicants for quite a lot of functions in technological know-how and know-how, together with spectroscopy, atmospheric tracking, micromachining, and precision metrology. featuring the newest advancements within the box, Solid-State Lasers and purposes makes a speciality of the layout and purposes of solid-state laser systems.
With contributions from prime overseas specialists, the booklet explores the newest learn effects and purposes of solid-state lasers in addition to a number of laser platforms. the start chapters talk about present advancements and purposes of recent solid-state achieve media in several wavelength areas, together with cerium-doped lasers within the ultraviolet diversity, ytterbium lasers close to 1µm, rare-earth ion-doped lasers within the eye-safe sector, and tunable Cr2+:ZnSe lasers within the mid-infrared diversity. the remainder chapters examine particular modes of operation of solid-state laser platforms, reminiscent of pulsed microchip lasers, high-power neodymium lasers, ultrafast solid-state lasers, amplification of femtosecond pulses with optical parametric amplifiers, and noise features of solid-state lasers.
Solid-State Lasers and functions covers crucial features of the sphere to supply present, accomplished insurance of solid-state lasers.
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Additional info for Solid-state lasers and applications
Near threshold the gain will have a maximum near the center of the mode; well above threshold the gain will be strongly saturated near the mode center and will have a local minimum on axis. In either case, the deformation of the optical path near the center of the mode, due to gain-related index guiding, can usually be modeled as a spherical (positive or negative) intracavity lens. As a result of gain-related index guiding, each of the longitudinal modes of a laser has a slightly different spatial proﬁle, a different amount of overlap with the pump, and a different far-ﬁeld divergence.
In some materials, such as Nd:YLF, this term dominates and can lead to stable transverse-mode operation in an otherwise ﬂat–ﬂat cavity, despite a negative dn/dT. Another effect is strain-induced variation of the refractive index caused by nonuniform heating and expansion of the gain medium. This effect tends to be less important than the others in determining the transverse mode characteristics of the cavity, although it can cause local birefringence. It will be ignored in this section. 52) where C is a number between 0 and 1, depending on whether the material is constrained (C = 0) or free to expand (C = 1).
Hence, Δn(r,z,λ) depends on the mode proﬁle and must be calculated self-consistently. ) Near threshold the gain will have a maximum near the center of the mode; well above threshold the gain will be strongly saturated near the mode center and will have a local minimum on axis. In either case, the deformation of the optical path near the center of the mode, due to gain-related index guiding, can usually be modeled as a spherical (positive or negative) intracavity lens. As a result of gain-related index guiding, each of the longitudinal modes of a laser has a slightly different spatial proﬁle, a different amount of overlap with the pump, and a different far-ﬁeld divergence.
Solid-state lasers and applications by Alphan Sennaroglu