High Angle Of Incidence Anti-Reflection Coatings For Use In Dye Laser Cavity Optics

1983 ◽  
Author(s):  
Marion L. Scott ◽  
William E. Alston
Keyword(s):  
Laser Cavity ◽  
Dye Laser ◽  
Angle Of Incidence ◽  
High Angle

High-angle Kikuchi patterns

1954 ◽  
Vol 221 (1145) ◽  
pp. 224-242 ◽  
Keyword(s):  
Lithium Fluoride ◽  
High Efficiency ◽  
Cylindrical Specimen ◽  
Angle Of Incidence ◽  
High Angle ◽  
Lead Sulphide ◽  
Marked Contrast ◽  
Experimental Conditions ◽  
Low Intensity ◽  
Glancing Angle

A cylindrical specimen chamber and camera have been used to study the high-angle Kikuchi patterns obtained by reflexion of electrons, of energy 6 to 50 keV, from the cleavage surfaces of crystals with the sodium chloride structure. Angles of scattering ranging from 0 to 164° were covered. The relative intensity of the pattern at different scattering angles was measured using a photographic technique. The intensity distribution was found to become less steep as the energy of the incident electrons decreased. In photographs taken with a large value of the glancing angle of incidence, defect bands were found, starting near the shadow edge of the pattern; these changed to excess bands at higher angles of scattering. The most striking feature of the results is the remarkable intensity and clarity at the highest scattering angles of the pattern produced by crystals such as lead sulphide and potassium iodide, the constituents of which have a relatively high elastic scattering cross-section. In marked contrast, a relatively low intensity and low clarity was found at these angles for lithium fluoride under the same experimental conditions. An investigation of the width of Kikuchi bands, visible over the whole available angular range, showed that the electrons forming these bands had the same energy as that of the incident electrons within the experimental error of 10%. A possible mechanism is discussed by means of which electrons can be diffused through large angles with high efficiency, relative to small angles, and with relatively little loss of energy.

scholarly journals The potential of Pléiades images with high angle of incidence for reconstructing the coastal cliff face in Normandy (France)

2020 ◽  
Vol 84 ◽  
pp. 101976 ◽  
Author(s):  
Pauline Letortu ◽  
Marion Jaud ◽  
Claire Théry ◽  
Jean Nabucet ◽  
Roza Taouki ◽  
...  
Keyword(s):  
Angle Of Incidence ◽  
High Angle ◽  
Coastal Cliff

scholarly journals Intracavity Gain Detection Applied to Transient Inversions of IF

1987 ◽  
Vol 7 (5-6) ◽  
pp. 279-295
Author(s):  
R. L. Williamson ◽  
L. Hanko ◽  
S. J. Davis
Keyword(s):  
Energy Transfer ◽  
Electronic Transition ◽  
Optical Gain ◽  
Laser Cavity ◽  
Dye Laser ◽  
Detection Technique ◽  
Low Loss ◽  
Transient Phenomena

A CW dye laser has been used to study transient optical gain on the B →X electronic transition of iodine monofluoride. By placing the gain generator inside the CW dye laser cavity, gain was readily observed even at levels too small to support lasing in a low loss cavity. Transient phenomena, including V–T energy transfer, were easily observable. An analysis of the intracavity gain detection technique revealed a method for estimating optical gain. The technique should be readily applicable to other systems.

Hypersonic Flow Computations for an Elliptic Cone at High Angle of Incidence

2012 ◽  
Vol 49 (3) ◽  
pp. 496-506 ◽  
Author(s):  
Michael Atkinson ◽  
Jonathan Poggie ◽  
José Camberos
Keyword(s):  
Hypersonic Flow ◽  
Angle Of Incidence ◽  
High Angle ◽  
Elliptic Cone

scholarly journals Stabilization of Transverse Modes for a High Finesse Near-Unstable Cavity

2019 ◽  
Vol 9 (21) ◽  
pp. 4580
Author(s):  
Jianji Liu ◽  
Jiachen Liu ◽  
Zhixiang Li ◽  
Ping Yu ◽  
Guoquan Zhang
Keyword(s):  
Single Photon ◽  
Laser Cavity ◽  
Dye Laser ◽  
Transverse Modes ◽  
Fabry Perot ◽  
Parametric Down Conversion ◽  
Unstable Cavity ◽  
High Finesse ◽  
Down Conversion ◽  
Hall Technique

We develop a method to lock a high-finesse near-unstable Fabry–Perot (FP) cavity (F = 7330) to a frequency stable dye laser operating at 605.78 nm using the Pound–Drever–Hall technique. The experimental results show the feasibility of locking this cavity to different transverse modes. This method links the external FP cavity to the dye laser cavity, and a 379 kHz final linewidth of the FP cavity is achieved. Such a near-unstable cavity is potentially useful for cavity-enhanced spontaneous parametric down-conversion to generate narrow-band single photon or photon pairs in different transverse modes.

scholarly journals Aerodynamic Modeling of Propeller Forces and Moments at High Angle of Incidence

2019 ◽  
Author(s):  
Yuchen Leng ◽  
Heesik Yoo ◽  
Thierry Jardin ◽  
Murat Bronz ◽  
Jean-Marc Moschetta
Keyword(s):  
Angle Of Incidence ◽  
High Angle ◽  
Aerodynamic Modeling
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