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A Detailed Description of Keldysh's Model of Photoionization
Title
A Detailed Description of Keldysh's Model of Photoionization
Author
Darden, Kenan
Date Created
2023
Subjects--Topical
Physics, Optics, Quantum theory
Description
Leonid Keldysh’s 1965 paper "Ionization in the Field of a Strong Electromagnetic Wave" contains useful and simple-to-implement equations predicting the rate of photoionization in both atomic gasses and general crystalline solids. Crucially, his re...
Experimental Study on Autocorrelated Femtosecond-Laser Ablation of Monolayer Transition Metal Dichalcogenides
Title
Experimental Study on Autocorrelated Femtosecond-Laser Ablation of Monolayer Transition Metal Dichalcogenides
Author
Obeid, Joseph
Date Created
2021
Subjects--Topical
Optics, Physics
Description
In this experimental study, we use a pair of 800 nm 180 fs ultrafast laser pulses to explore time-resolved enhanced ablation of two monolayer transitional metal dichalcogenides (TMDs). A 2D crystal structure gives monolayer TMDs their unique prope...
Femtosecond Laser-Induced Breakdown of Monolayer Molybdenum Disulfide
Title
Femtosecond Laser-Induced Breakdown of Monolayer Molybdenum Disulfide
Author
Solomon, Joel
Date Created
2022
Subjects--Topical
Optics, Materials science, Physics
Description
Two-dimensional materials such as graphene and transition metal dichalcogenides (TMDs) have been extensively studied due to their extraordinary electronic and optoelectronic properties. In particular, monolayer semiconductor TMDs such as MoS2, WS2...
Index-antiguided planar waveguide lasers with large mode area
Title
Index-antiguided planar waveguide lasers with large mode area
Author
Liu, Yuanye
Date Created
2017
Subjects--Topical
Optics, Physics
Description
The on-going research and application interests with high power large-mode-area (LMA) waveguide lasers, especially in fiber geometry, at the beginning of this century drive the development of many novel waveguide designs. Index antiguiding, propos...
MECHANISTIC STUDY OF SELF-ASSEMBLED TUNGSTEN NANOGRATINGS ON SOLIDS INDUCED BY FEMTOSECOND LASER BEAM
Title
MECHANISTIC STUDY OF SELF-ASSEMBLED TUNGSTEN NANOGRATINGS ON SOLIDS INDUCED BY FEMTOSECOND LASER BEAM
Author
Tang, Mingzhen
Date Created
2010
Subjects--Topical
Optics
Description
This dissertation describes a mechanistic study on the spontaneous formation of tungsten nanograting induced by a 400 nm femtosecond laser beam on solids observed in laser induced chemical vapor deposition configuration. The formed tungsten nanogr...
Stratified Fiber-Resonator: Fabrication, Characterization and Potential Applications
Title
Stratified Fiber-Resonator: Fabrication, Characterization and Potential Applications
Author
Naqvi, Zeba
Date Created
2017
Subjects--Topical
Optics
Description
Whispering Gallery Mode Resonators (WGMR) are compact, monolithic resonators used for photonic applications. Controlling the properties of WGM while keeping the geometry simple is desired to improve their performance, especially for sensing and no...