Last edited by Darr
Tuesday, May 5, 2020 | History

1 edition of Aerodynamically efficient gradient refractive index missile seeker lens found in the catalog.

Aerodynamically efficient gradient refractive index missile seeker lens

Herbert M. Carr

Aerodynamically efficient gradient refractive index missile seeker lens

by Herbert M. Carr

  • 333 Want to read
  • 31 Currently reading

Published .
Written in English

    Subjects:
  • Aeronautics

  • Edition Notes

    SeriesNPs67-82-012
    The Physical Object
    Paginationp. ;
    ID Numbers
    Open LibraryOL25499512M

      The variation of refractive index decreases, as the speed of flow field increases the OPD and its rate of decay at Mach number 6 in speed has somewhat larger value than at Mach number 4 in speed. Compared with the ray equation method, at Mach number 4 and 10° LOS, the new method shows good agreement, generated % of relative root-mean Author: Seul Ki Yang, Sehyun Seong, Dongok Ryu, Sug-Whan Kim, Hyeuknam Kwon, Sang Hun Jin, Ho Jeong, Hyun Ba.   Proc. SPIE , Advanced Optics for Defense Applications: UV through LWIR III, (5 June ); doi: /

    efficiency. We derive the CLR SNR and the hetero-dyne efficiency for a general CLR system and general targets under the Fresnel approximation, using the path-integral formulation.6 70s This theoretical foun-dation allows a clear extension to both medium and strong path-integrated atmospheric refractive-turbu-lence conditions. The development of LIDAR systems commenced in the s with early systems built for ranging the s, a variety of remote sensing applications flourished and LIDAR technology started to be adopted in airborne installations to map the terrain , the U.S. Army Corps of Engineers (USACE) assembled an operational LIDAR system, while the Australian Laser Cited by:

    The mirage phenomenon is based on temperature changes (which implies pressure changes) Temperature changes are described depending on altitude by the thermal gradient. These are the main axes of my researches. This thesis explores the use of a pointed seeker lens designed using a spherically symmetric gradient refractive index (GRIN). The design helps to solve the current design conflict between optical.


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Aerodynamically efficient gradient refractive index missile seeker lens by Herbert M. Carr Download PDF EPUB FB2

Texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK Aerodynamically efficient gradient refractive index missile seeker lens.

Aerodynamically efficient gradient refractive index missile seeker lens. by Carr, Herbert M. Publication date TZ Topics Aeronautics.

texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK Aerodynamically efficient gradient refractive index missile seeker lens. Aerodynamically efficient gradient refractive index missile seeker lens. by Carr, Herbert M. Publication date Topics AeronauticsPages:   Aerodynamically efficient gradient refractive index missile seeker lens - NASA/ADS This thesis explores the use of a pointed seeker lens designed using a spherically symmetric gradient refractive index (GRIN).

The design helps to solve the current design conflict between optical quality and aerodynamic drag inherent in hemispherical seeker : Herbert M. Carr. This thesis explores the use of a pointed seeker lens designed using a spherically symmetric gradient refractive index (GRIN).

The design helps to solve the current design conflict between optical quality and aerodynamic drag inherent in hemispherical seeker lenses. texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK (US) Genealogy Lincoln Collection. National Emergency Library.

Top American Libraries Canadian Libraries Universal Library Community Texts Project Gutenberg Biodiversity Heritage Library Children's Library. Open Library. Approved for public release; distribution unlimitedThis thesis explores the use of a pointed seeker lens designed using a spherically symmetric gradient refractive index (GRIN).

The design helps to solve the current design conflict between optical quality and aerodynamic drag inherent in hemispherical seeker : Herbert M. Carr. AERODYNAMICALLY EFFICIENT GRADIENT REFRACTIVE INDEX MISSILE SEEKER LENS. By Carr Herbert M, Dl&apos, Herbert M.

Carr Iii, Rear Admiral, J. Ekelund, David A. Schrady, Herbert M. Carr Iii and Read Instrurrtons. Abstract. Aerodynamically efficient gradient refractive index missile seeker len Year: OAI identifier: oai: Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): (external link) http Author: Herbert M.

Carr Iii and Refractive Indexlens. An irregular grid model was employed to describe the refractive index distribution of an aerodynamically heated optical dome according to the theories of.

Hao Lv, Bangren Shi, Aimei Liu, Jufang Tong, Xunong Yi, and Qianguang Li "Analysis of the ray trajectory and the coupling efficiencies of gradient refractive index ball lenses", Proc. SPIEInternational Conference on Optical Instruments and Technology: Microelectronic and Optoelectronic Devices and Integration, Z (9 February Author: Hao Lv, Bangren Shi, Aimei Liu, Jufang Tong, Xunong Yi, Qianguang Li.

Approved for public release; distribution is unlimitedThe design of a supersonic missile seeker lens system using an aerodynamically efficient lens, a scanning mirror and detector was accomplished through the use of ray-tracing : David S.

Davidson. The Fourier transform thin film synthesis method often results in solutions that call for indices that lie outside the range of values of the available materials.

To make the resulting refractive index profiles always realizable in our meta-mode sputtering machine, a modified Fourier transform synthesis method is proposed with which the reflectance spectra can be accurately synthesized with.

from book Gradient-Index Optics Fundamentals efficient gradient refractive index missile seeker lens. seeker lens designed using a spherically symmetric gradient refractive index (GRIN).

In this article we present the design, fabrication, and characterization of gradient-refractive-index lenses for terahertz (THz) applications. The fabrication was performed by three-dimensional printing. These new low-cost lenses were tested using THz time-domain spectroscopy and imaging in order to measure their optical properties.

The results show a focusing capacity within the diffraction. the refractive index of each node can be calculated on the basis of temperature. Since the optical design software cannot trace rays through discrete refractive index points, the constant gradient index (GRIN) field should be built for ray tracing.

The refractive index of Cited by: 3. The design of a supersonic missile seeker lens system using an aerodynamically efficient lens, a scanning mirror and detector was accomplished through the use of ray-tracing routines. The proposed cap lens, which can be potentially realized by all-dielectric gradient refractive index metamaterials, can be more compact than Cited by: 3.

The design, fabrication, and properties of one of a new class of gradient-index lenses are reported. The lens is an f/ GRIN singlet based on a nanolayered polymer composite material, designed. The design of a supersonic missile seeker lens system using an aerodynamically efficient lens, a scanning mirror and detector was accomplished through the use of ray-tracing routines.

The design of the first element lens uses a gradient in refractive index. Free-space optical interconnection modules for two-dimensional photonic very large scale integration circuitry based on microlenses and gradient-refractive-index lenses Valerie Baukens, Irina Veretennicoff, Hugo Thienpont.

refractive index consisting of thousands of nanolayers of two different polymers that had different refractive indices. The films of various were stacked to create a. n refractive index range (Δn) and formed into hemispheres, which were combined to form the syn-thetic bi-convex octopus lens.

A zoom lens system constructed from three of these GRIN.The design of a supersonic missile seeker lens system using an aerodynamically efficient lens, a scanning mirror and detector was accomplished through the use of ray-tracing routines.

The design of the first element lens uses a gradient in refractive index to overcome the severe handicap that the pointed shape imposes. This problem has.These gradients create refractive index variations so that the shock wave and the compressed flowfield around the window act as an aerodynamic lens with refraction index gradients.

Thus, the light wavefront distortion becomes random due to the turbulent flow with mixing of high and low density by: 8.