Author: Stefan LundqvistPublisher:
ISBN:
Category :
Languages : en
Pages : 8
Book Description
Tunable Single-mode Picosecond Pulses from Grating Loaded Semiconductor Lasers
Author: Stefan LundqvistGeneration of Tunable Single-mode Picosecond Pulses from an AlGaAs Semiconductor Laser with Grating Feedback
Author: Flexible Generation of Picosecond Laser Pulses in the Infrared and Green Spectral Range by Gain-Switching of Semiconductor Lasers
Author: Sina RieckePublisher: Cuvillier Verlag
ISBN: 3736936524
Category : Science
Languages : en
Pages : 136
Book Description
Picosecond laser pulses find diverse applications for example in material processing as well as in analysis and sensing. Fluorescence lifetime spectroscopy in particular requires pulses with variable repetition rate and moderate pulse energy. While suitable pulses in the red and blue spectral range can be provided by gain-switched laser diodes, the generation of green laser pulses requires a more elaborate setup based on second harmonic generation. The starting point is a gain-switched infrared distributed-feedback laser diode. The optimization of the laser design and the operating conditions allows to generate spectrally narrow picosecond pulses with a peak power above 1 W. Different gain media are compared for further amplification of these pulses, and options for the miniaturization of the master-oscillator power-amplifier system are explored. The resulting intense infrared pulses are then used for second harmonic generation of green picoseconds pulses. Their peak power of above 5 W exceeds all previous green pulse sources with variable repetition rate. In terms of pulse energy and background suppression, the reported green pulses are thus ideally suited for fluorescence lifetime spectroscopy
Optical Communication
Author: H. MelchiorPublisher: North Holland
ISBN:
Category : Optical communications
Languages : en
Pages : 602
Book Description
Journal of Optical Communications
Author: Publisher:
ISBN:
Category : Optical communications
Languages : en
Pages : 534
Book Description
Physics Briefs
Author: Ultrashort Light Pulses
Author: S.L. ShapiroPublisher: Springer Science & Business Media
ISBN: 3662225743
Category : Science
Languages : en
Pages : 397
Book Description
Soon after the invention of the laser, a brand-new area of endeavour emerged after the discovery that powerful ultrashort (picosecond) light pulses could be extracted from some lasers. Chemists, physicists, and engineers quickly recognized that such pulses would allow direct temporal studies of extremely rapid phenomena requiring, however, development of revolutionary ultrafast optical and electronic devices. For basic research the development of picosecond pulses was highly important because experimentalists were now able to measure directly the motions of atoms and molecules in liquids and solids: by disrupting a material from equilibrium with an intense picosecond pulse and then recording the time of return to the equilibrium state by picosecond techniques. Studies of picosecond laser pulses-their generation and diagnostic tech niques-are still undergoing a fairly rapid expansion, but a critical review of the state of the art by experienced workers in the field may be a timely help to new experimentalists. We shall review the sophisticated tools developed in the last ten years, including the modelocked picosecond-pulse-emitting lasers, the picosecond detection techniques, and picosecond devices. Moreover, we shall outline the basic foundations for the study of rapid events in chemistry and physics, which have emerged after many interesting experiments and which are now being applied in biology. An in-depth coverage of various aspects of the picosecond field should be helpful to scientists and engineers alike.
Generation of Short Optical Pulses from Mode-locked Semiconductor Lasers
Author: Ching-Fuh LinUltrafast Electronics and Optoelectronics
Author: Publisher:
ISBN:
Category : Laser pulses, Ultrashort
Languages : en
Pages : 322
Book Description
Author: J. P. Curtis