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Fabrication and Application of Phase only Holograms for High
... 4. Beam shaping with binary phase only holograms Although the ability of ITO coatings to withstand high cw power levels is crucial for the envisioned applications it is equally important to evaluate the diffraction efficiency as well as beam shaping capabilities of such holograms. The reported diffr ...
... 4. Beam shaping with binary phase only holograms Although the ability of ITO coatings to withstand high cw power levels is crucial for the envisioned applications it is equally important to evaluate the diffraction efficiency as well as beam shaping capabilities of such holograms. The reported diffr ...
Bismuth-doped optical fibers: a challenging active medium
... and Bi ions emit visible luminescence and no near-IR luminescence.9–12 . The results of many experiments clearly demonstrate that near-IR luminescence is observed because of the reduction of Bi31 ions to a lower oxidation state. Excessive reduction results in the formation of Bi clusters and colloid ...
... and Bi ions emit visible luminescence and no near-IR luminescence.9–12 . The results of many experiments clearly demonstrate that near-IR luminescence is observed because of the reduction of Bi31 ions to a lower oxidation state. Excessive reduction results in the formation of Bi clusters and colloid ...
Dynamic method to distinguish between left- and right
... space of three levels with all the optical coupling resonant to the corresponding transition. (iii) Different chiral molecules can be separated spatially; here, we only focus on how to distinguish different chiral molecules according to the different final states as in Ref. [17, 18]. The present pro ...
... space of three levels with all the optical coupling resonant to the corresponding transition. (iii) Different chiral molecules can be separated spatially; here, we only focus on how to distinguish different chiral molecules according to the different final states as in Ref. [17, 18]. The present pro ...
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... can improve the machining accuracy effectively. The disadvantage is that the displacement information of only one linear axis can be provided, thus resulting in various limitations in functions. Many studies have been conducted on optical encoder design and signal processing technique in early stage ...
... can improve the machining accuracy effectively. The disadvantage is that the displacement information of only one linear axis can be provided, thus resulting in various limitations in functions. Many studies have been conducted on optical encoder design and signal processing technique in early stage ...
SPECTROSCOPIC MANIFESTATION OF DYE PAIR
... R6G, neutral- 6-aminophenalemen and zwitterionic - pyrromethane РМ580 with concentration growth in SRSF and gel solution Р123 at room temperatures. The used method of analysis promotes to the qualitative understanding of the nature the registered changes in interrelation with the probable localizati ...
... R6G, neutral- 6-aminophenalemen and zwitterionic - pyrromethane РМ580 with concentration growth in SRSF and gel solution Р123 at room temperatures. The used method of analysis promotes to the qualitative understanding of the nature the registered changes in interrelation with the probable localizati ...
Concepts of optical signal processing and optical communications
... Until recently, virtually all communications systems have relied on the transmission of information by radio-frequency (rf) and microwave signals over electric cables or on rf and microwave electromagnetic radiation propagating in free space. This is remarkable because light appears a more natural c ...
... Until recently, virtually all communications systems have relied on the transmission of information by radio-frequency (rf) and microwave signals over electric cables or on rf and microwave electromagnetic radiation propagating in free space. This is remarkable because light appears a more natural c ...
Displacement Measuring Interferometry
... foundation for commercial interferometric measurement tools that monitor object positions with a resolution better than 1 nm for objects traveling at 2 m/s. A wide range of applications include machine tool stage positioning and distance monitoring over length scales from a few millimeters to hundre ...
... foundation for commercial interferometric measurement tools that monitor object positions with a resolution better than 1 nm for objects traveling at 2 m/s. A wide range of applications include machine tool stage positioning and distance monitoring over length scales from a few millimeters to hundre ...
High refractive index Fresnel lens on a fiber fabricated by
... To characterize the optical performance of the high refractive index Fresnel lens imprinted on a fiber, 660 nm laser light was coupled into the fiber and the focal spot was imaged in immersion oil (n = 1.51) using an oil immersion microscope objective (Nikon 100x, NA=1.3). For comparison, the same m ...
... To characterize the optical performance of the high refractive index Fresnel lens imprinted on a fiber, 660 nm laser light was coupled into the fiber and the focal spot was imaged in immersion oil (n = 1.51) using an oil immersion microscope objective (Nikon 100x, NA=1.3). For comparison, the same m ...
Pulsed Quasi-monochromatic x-ray source for radiography
... this spectral range. Laser energy of the single beam now increased to 20 J per laser pulse and then was converted into a two arm laser system with 10 J energy in each arm. One beam with 10 J/300 - 800 ps was focused in 80-100 µm diameter (focussed intensity ~ 1014 W/cm2) on a gold target to generate ...
... this spectral range. Laser energy of the single beam now increased to 20 J per laser pulse and then was converted into a two arm laser system with 10 J energy in each arm. One beam with 10 J/300 - 800 ps was focused in 80-100 µm diameter (focussed intensity ~ 1014 W/cm2) on a gold target to generate ...