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This phenomena occurs due to the coherence of the light and seems to be inevitable. SK-11 reduces speckle noise and improves your image quality. 2021-03-01 Laser Speckle Reducer LSR-1000 Series Speckle noise from a laser -based system is reduced by dynamically diffusing the laser beam . The LS R-1000 series is fed with two control electrical signals that selectively move the central diffuser in x- and y- direction. Optotune's laser speckle reducers are the ideal choice for: Laser projection displays from cinema to pico . Head-up displays. Beam homogenizer.

But the way they are actuated is absolutely unique. Two innovative technologies are offered, these being Electro-active polymer LSR’s, and Reluctance force LSR’s. Electro-active polymer LSR. Optotune Laser Speckle Reducers remove local interferences and significantly reduce speckle noise in laser systems by dynamically diffusing the laser beam. Offering a compact size, integrated drive electronics, and vibration-less speckle reduction, Optotune Laser Speckle Reducers are ideal for beam homogenization, 3D scanning, metrology, microscopy, and interferometry. The in-line laser speckle reducer (fiber optical beam homogenizer, or De-Speckler) is an all-fiber passive component which can efficiently homogenize speckle pattern and reduce unwanted modal noise (striations, hot spots, and beam non-uniformity) within a multimode optical fiber, producing a stable output beam that has fewer speckle hot spots and more uniform energy intensity profile. Edmund Optics’ Laser Speckle Reducers remove local interferences and greatly reduce speckle noise in laser systems. This is done by dynamically diffusing the laser beam.

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Standard diffuser angles of 1°, 4.3°, 8.5° and 17° are available. Static laser speckle suppression using multimode fibers has practical limitations as the technique requires an extremely long fiber to achieve an acceptable speckle contrast.

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5. Transmissive Laser Speckle Reducer STOT-LSR-4C. Our STOT-LSR-4C speckle reducer has an aperture of 18.5x18.5 mm and is especially suitable for applications where high laser powers and large beam diameters are used. The diffusor is mounted in a thin steel frame. Speckle Reducers are used to reduce laser speckle for applications such as beam homogenization or 3D scanning. Edmund Optics offers lithium triborate (LBO) and β-barium borate (BBO) Nonlinear Crystals for the harmonic generation of lasers commonly used, including Nd:YAG, Yb:YAG, Yb:doped and Ti:Sapphire. In addition to the above, more than three laser primaries could be used to further reduce speckle.

FIGURE 5. Speckle contrast vs.
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Offering a compact size, integrated drive electronics, and vibration-less speckle reduction, Optotune laser speckle reducers are ideal for beam homogenization, 3D scanning, metrology, microscopy, and interferometry. Laser Speckle Reducers are compact for ease of handling and integration. They feature integrated drive electronics and provide vibration-free speckle reduction. The reducers use four electro-optic polymers, which selectively move each reducer’s central diffuser along the … Optotune laser speckle reducers remove local interferences and significantly reduce speckle noise in laser systems by dynamically diffusing the laser beam. Offering a compact size, integrated drive electronics, and vibration-less speckle reduction, Optotune laser speckle reducers are ideal for beam homogenization, 3D scanning, metrology, microscopy, and interferometry.

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Edmund Optics offers lithium triborate (LBO) and β-barium borate (BBO) Nonlinear Crystals for the harmonic generation of lasers commonly used, including Nd:YAG, Yb:YAG, Yb:doped and Ti:Sapphire. In addition to the above, more than three laser primaries could be used to further reduce speckle. For example, di erent direct-emission green laser diodes with slightly di erent wavelengths could be used. Although additional laser diodes could lengthen the total optical path, length is not as critical a dimension for picoprojectors as height is.

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Beam homogenizer.

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Laser speckle reducers (LSR) Overview. Optotune's laser speckle reducers are nothing other than moving diffusers. But the way they are actuated is absolutely unique. Two innovative technologies are offered, these being Electro-active polymer LSR’s, and Reluctance force LSR’s.

2021-03-01 Laser Speckle Reducer LSR-1000 Series Speckle noise from a laser -based system is reduced by dynamically diffusing the laser beam . The LS R-1000 series is fed with two control electrical signals that selectively move the central diffuser in x- and y- direction. Optotune's laser speckle reducers are the ideal choice for: Laser projection displays from cinema to pico . Head-up displays. Beam homogenizer.