Lasers and holography pdf download

Download engineering applications of lasers and holography. Nobel prize winner dennis gabor, holography s inventor, saw the film after it was made and said it was the. Basic principles and applications of holography spie. In this case, a portable holographic system travels to the artefacts for documentation. It is used in applications ranging from retinal photother apy for diabetes, lithography, and pumping of other lasers.

This film examines the process of holography, types of holograms, and the uses of the hologram for artistic and scientific purposes, as demonstrated by tung h. Here is a great pdf student study guide that you can read and or download to help with your understanding of lasers, optics, and holography. Lasers for holography the performance characteristics of the lasers critical to being able to write crisp, high resolution white light holograms are wavelength, coherence length and wavelength stability. Now, a halfcentury before gabor, the french scientist, gabriel lippmann, had proposed recording photo graphically a lightwave interference. A holographic image can be seen looking into an illuminated holographic print by shining a laser through a hologram and projecting a image on. The hologram is then illuminated with laser light transmission or white light. The hologram image projected a modified trichromatic portrait of albert. Laser technology has observed a great advancement over the last few decades. The ideas of holography, or wavefront reconstruction, preceded by some thirteen years the development of the laser. This technology is used for a wide range of applications including medical sciences, military, industrial manufacturing.

Lasers argon and krypton ion lasers similar to the hene laser the argon ion gas laser is pumped by electric dis charge and emitts light at wavelength. It also contains history and bios of some of the early researchers in the field. Holography is now offered in both sessions of phys 128ab. Pdf holography is the science of making holograms which are usually intended for displaying three dimensional images. One marine download engineering applications of lasers and holography of materials, published with the graduate virtues and their scientists, places a imagination. The production of high quality holographic images has always relied on lasers with long coherence length and single mode properties in order to achieve stable interference for the entire exposure time. Understand the concept of coherence length as applied to laser light and holography. Pdf applications of lasers for tactical military operations. A class iiia laser, it has an 4mw output comparable to common laser pointers, and is appropriate for making holograms up to 4x5 102x127mm in size. Digital holography using a laser pointer and consumer. The principle of holography is based on the fact that, via simultaneously recording a reference light laser beam split by a beam splitter and a returned, scattered light beam from the surface of a. Lasers for holography cobolt high performance lasers. It is thus clear that lasers are not necessary for holography, and we.