femtosecond Optical Parametric Oscillator
Femtosecond optical parametric oscillators for the mid infrared
... pumped green sources, such as the Spectra-Physics Millennia series [44], Tiisapphire lasers had to be pumped with main-frame argon-ion lasers, which are notoriously costly and cumbersome. Cr^+iLiSAf, on the other hand, ...
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Flexible and stable optical parametric oscillator based laser system for coherent anti-Stokes Raman scattering microscopy
... This fs-OPO system covering a very broad spectral region is suitable for many different imaging applications. The OPO signal, in the range of 920 nm to 1200 nm, together with part of the Ti:sapphire output (700 nm to 950 ...
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An Infrared Picosecond Optical Parametric Oscillator for Polymer Ablation
... Whilst the SRO is an attractive configuration for an OPO, in terms of stability and simple tuning behavior, it has the highest threshold of all cavity configurations [27]. Overcoming this threshold is a major challenge ...
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Sodium line guide star laser using optical parametric oscillator
... crystal is pumped at the appropriate time when the signal pulse to be amplified arrives. There are two types of mode-locked laser used as pump source: Q-switched mode- locked, and cw mode-locked. In the first type, the ...
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Parametric oscillation in a vertical microcavity: a polariton condensate or micro-optical parametric oscillation
... Here we report an optical parametric oscillation of a mi- crocavity ~termed a m OPO) which crucially depends on this exciton-photon physics. Successful shrinking of the shortest previous OPO device by a ...
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Optical parametric oscillators pumped by excimer lasers
... PO w ere directed onto two s eparate photodiodes (BPX 65/UV) and monitored on two channels of a 275 MHz analog storage oscilloscope (Hewlett-Packard 1727A). A schematic of the experimental set-up is shown in Fig. 3.9. ...
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Existence of Chaotic Phenomena in a Single Well Duffing Oscillator under Parametric Excitations
... The objectives of this paper therefore are to investigate the existence of chao- tic behavior in a single-well Duffing oscillator forced by parametric excitations. The rest of the paper is organized as ...
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Optical parametric oscillators : a comparison of new materials
... The new materials possess higher non-linear coefficients and higher optical damage thresholds, which enables more efficient devices with lower oscillation thresholds to be built OPOs are[r] ...
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Thermal response and optical absorptance of metals under femtosecond laser irradiation
... and femtosecond-laser pulse abla- tion [28], and this suggests that the physical mechanism used to explain the long-pulse REC enhancement may also account for the behaviors of residual heating in ...
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Experimental investigation of parametric transfer in synchronously pumped optical parametric oscillators
... affecting parametric transfer in a SPOPO for indirect shaping of MIR ultrashort pulses and make comparisons with previously reported numerical ...2007 Optical Society of ...
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Optical Parametric Oscillation in Hg1-xCdxGa2S4
... of optical waves with account for phase effects and comparison of them with existing experimental data, it is possible to state that by the choice of optimum values of parameters (pumping intensity, linear tuning ...
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Fractal Parametric Oscillator as a Model of a Nonlinear Oscillation System in Natural Mediums
... numerical solution of (7) with the exact solution (8). Explore the first parametric resonance for Equation (9) with the harmonic balance method (11). With Strutt-Ince diagrams identify areas of instability, the ...
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Intracavity terahertz optical parametric oscillators
... by optical Parametric Oscillators” Ref: EP/C509919/1 and it was during this period that the initial experiments were based on designs where the terahertz wave was phasematched to propagate orthogonally to ...
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Parametric variation of a coupled pendulum-oscillator system using real-time dynamic substructuring
... Estimating the accuracy (how close our result is to the emulated system values) of substructure testing is currently an active area of research [35, 41]. The most straightforward way of measuring accuracy is comparison ...
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An analysis of the performance characteristics of continuous wave optical parametric oscillators
... The nonlinear material chosen for the OPO was lithium triborate (LiBgOs; LBO) [19]. Prior to this experiment, only Ba 2 NaNb 5 0 i 5 [20], LiNbOg [21] (or MgO'.LiNbOg [22]), KTP [23] and KNbOg [24] had been used as the ...
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Parametric Design, Modeling, and Optical Evaluation of Retroreflective Prismatic Structures
... passive optical structures that redirect incident light to its originating ...A parametric approach is used to model existing IC geometries from a generic unit cube and is then implemented to model the ...
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Studies of optical parametric oscillators for the ultraviolet and visible spectral regions
... The aim of the first stage of our line-narrowing work was to d evelop a m aster oscillator OPO cavity w hich w ould reliably produc e stable narrow bandwidth output. Alt hough it was not essen tial t hat this ...
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Novel configurations for pulsed optical parametric oscillators and their pump sources
... In the preceding chapter it was noted how one may create in atomic media a population inversion through optical excitation of the electron states. Most commonly such pump radiation is derived from arc lamps, ...
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Tunable nonlinear optical properties in nanocrystalline Si/SiO2 multilayers under femtosecond excitation
... nonlinear optical process under the various laser excitation intensities and the β decreased as increasing the excitation ...linear optical absorption ...intensity-dependent optical nonlinearities ...
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Anisotropic lattice changes in femtosecond laser inscribed Nd3+:MgO:LiNbO3 optical waveguides
... The variation in the Raman properties in the waveguides and filaments has been studied by imaging the waveguide cross section. From the obtained maps a linear cross section crossing both the waveguides and filaments at ...
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