PDLC transmission grating was also ) Com-pared to the reﬂection grating, the transmission grating oﬀers a longer gain length and stronger distributed feedback. In this paper, we shall report laser emission from a 1-D PC based on dye-doped H-PDLC transmission gratings, with a low threshold pumping energy of about 80mJ.
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Lasers with output powers of 50 TW and above at about 30 fs pulse pulsewidth and 10 Hz repetition rate are currently operational at several laboratories (University of Michigan (USA), LOA (France), JAERI (Japan), and MBI (Germany)). A 200 TW single shot laser (JANUSP) with longer pulsewidth (100 fs) is built in LLNL.
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the light source for TDLAS applications requires only one wavelength matching the absorption line of The height of the InGaAsP grating layer is about 100 nm. Since
Diffraction grating is an optical instrument, which is advantageously used for scientific research in spectroscopy and spatial filtering. It has many other applications in science and technology such as wavelength selectors for tuneable lasers, selective surfaces for solar energy, masks for photolithography, beam sampling mirrors for high power lasers, spectrometers in extreme UV and X-ray
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Typical applications are local area networks, closed-circuit TV, and transmitting information in areas where EMI may be a problem. Figure 8-22 Drive current versus output power for LED and laser (Courtesy of AMP, Inc.) Laser diodes (LD) are used in applications in which longer distances and higher data rates are required.
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Thorlabs' Visible Transmission Gratings are ideal for fixed grating applications such as spectrographs. The incident light is dispersed on the opposite side of the grating at a fixed angle. Transmission gratings offer low alignment sensitivity, which helps minimize alignment errors. In most cases, t
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At the time of this writing, highquality matched clad fibers are usually specified as having less than dB/100 turns for loops of radius R ¼ 25 and 30 mm at 1625 nm and less than dB/ turn for loop of radius R ¼ 16 mm at 1550 nm.
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The Optical Society Names 17 Recipients for 2019 OSA Awards . 22 April 2019 The Optical Society (OSA) is pleased to announce 17 recipients of 2019 OSA awards and medals. Throughout the year, OSA will bestow a total of 22 aw