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Chapter
Mode-Locking of Dye Lasers
One of the most attractive features of organic dye lasers is their ability to produce ultra-short optical pulses. Since the frequency bandwidth required to produce a pulse of picosecond duration is still much ...
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Chapter and Conference Paper
Time resolved spectroscopy with sub-picosecond optical pulses
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Chapter
Techniques for Measurement
Picosecond optical pulses provide a unique means for studying ultrafast processes associated with the interaction of light with matter. Implementation of these studies has required the development of new measu...
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Chapter and Conference Paper
Sub-Picosecond Optical Gating by Optical Wavefront Conjugation
We report the demonstration of a new technique for ultrashort optical gating. Our technique provides low background optical gating without the need for polarizers or dispersive elements. Furthermore, unlike th...
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Chapter and Conference Paper
Subpicosecond Spectroscopy
The availability of subpicosecond optical pulses at high repetition rates now greatly extends the capabilities of time-resolved spectroscopy. Powerful signal averaging techniques can be applied to picosecond s...
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Chapter and Conference Paper
Advances in Subpicosecond Spectroscopic Techniques
Short optical pulses have found increasing usefulness as a unique means for studying ultrafast processes [1]. Recently our ability to resolve fast events has progressed from the picosecond to the subpicosecond...
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Chapter and Conference Paper
Picosecond Spectroscopy of Semiconductor Microstructures
An understanding of carrier dynamics in semiconductor microstructures is both of fundamental interest and important to the design of new devices. This understanding, however, depends on our capacity to examine...
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Chapter and Conference Paper
Moving from the Picosecond to the Femtosecond Time Regime
Considerable progress has taken place in the last decade and a half in the generation of ultrashort optical pulses. A steady progression of developments has led to ever shorter optical pulses and subsequent im...
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Chapter and Conference Paper
Femtosecond Continuum Generation
We obtain white light continuum pulses with durations as short as 80 fsec. The broad spectral range (0.19μ–1.6μ) minimal chirp, stable repetitive character, and availability of powers extending to the gigawatt...
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Article
Picosecond pulses and applications
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Article
Femtosecond Time Resolved Reflectivity of Optically Excited Silicon
We report measurements of the time resolved reflectivity of Silicon following excitation with an intense 90 femtosecond optical pulse. These measurements clearly time resolve the process of energy transfer fro...
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Article
Femtosecond Time Resolved Surface Structural Dynamics of Optically Excited Silicon
Laser processing of materials has raised a number of interesting issues relating to phase transitions and the structure of optically excited semiconductors. In this paper we describe the dynamics of structural...
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Chapter and Conference Paper
Imaging with Femtosecond Optical Pulses
The interaction of short laser pulses with semiconductors has been studied by a variety of techniques including time-resolved reflectivity, [1–5] transmission, ]1–5] photoluminescence, [1–5] surface ellipsomet...
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Chapter and Conference Paper
Procedure for Calculating Optical Pulse Compression from Fiber-Grating Combinations
An optical pulse can be compressed by a dispersive grating pair after first inducing a frequency chirp in a single-mode optical fiber [1,2]. It is of interest to know how much compression is possible and what ...
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Chapter and Conference Paper
Femtosecond Spectroscopy of Bacteriorhodopsin Excited State Dynamics
The dynamics of the photochemistry of bacteriorhodopsin have been investigated extensively.[1] Bacteriorhodopsin is a pigment related to visual rhodopsins which is extracted from the cell membrane of the bacte...
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Chapter and Conference Paper
Femtosecond Dynamics of Nonequilibrium Correlated Electron-Hole Pair Distributions in Room-Temperature GaAs Multiple Quantum Well Structures
The GaAs multiple quantum well structure (MQWS) is a new and unique nonlinear optical material [1]. The reduced dimensionality of the electron-hole system in the ultra-thin (100 Å) layers gives rise to clear e...
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Chapter
Spectroscopy with Femtosecond Optical Pulses
This paper reviews the recent advances in femtosecond pulse generation and measurement techniques.
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Chapter
Techniques for measurement
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Chapter and Conference Paper
The Role of Ultrashort Optical Pulses in High-Speed Electronics
As we look to the future of high-speed electronic and optoelectronic devices, we are contemplating devices that work in the picosecond time domain. Optical techniques have the potential of an ever increasing i...
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Chapter and Conference Paper
Solid State Physics on a Femtosecond Time Scale
Advances in measurement techniques [1] have opened up new areas of investigations concerning dynamical processes in solids with femtosecond resolution. In this discussion, we will focus on recent applications ...