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9 May 2006 Diffractive optics for use in illumination systems for defense and security applications
Robert E. Hutchins, James T. A. Carriere, Jessica L. Wargats, Michael W. Magoon
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Proceedings Volume 6203, Optics and Photonics in Global Homeland Security II; 62030U (2006) https://doi.org/10.1117/12.666739
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States
Abstract
Laser based illumination has proven to be useful in a number of defense and security applications such as target illumination, counter measures, mine detection, and LADAR. For some of these applications, it is desirable to create an illumination with a specified angular dependence, while for others it is desirable to have a particular illumination profile at a specified plane. Conventional approaches to these requirements often involve beam truncation or beam energy redistribution with the target plane having a limited range. Diffractive optic based approaches are capable of providing high performance solutions to many of these problems. For example, a diffractive diffuser approach can be used to create tailored intensity profiles which can be much more efficient than using a truncated Gaussian beam in the region of interest. In particular, the binary optics approach to fabrication of diffractive optics provides a repeatable, high quality method for volume manufacturing of these elements. At Digital Optics Corporation, we have designed and fabricated wafer-based optics for a variety of applications in the 157nm-14μm wavelength range. During this talk we will present design and experimental results for several applications illustrating the use of diffractive elements for laser based illumination.
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Robert E. Hutchins, James T. A. Carriere, Jessica L. Wargats, and Michael W. Magoon "Diffractive optics for use in illumination systems for defense and security applications", Proc. SPIE 6203, Optics and Photonics in Global Homeland Security II, 62030U (9 May 2006); https://doi.org/10.1117/12.666739
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KEYWORDS
Diffusers
Chemical elements
Defense and security
Speckle
Diffraction
Wavefronts
Optics manufacturing
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