A polarization rotator is an ocular device that has the ability to rotate the polarization axis of a rectilinearly polarized light ray or beam into an angle of choice. These devices can be created on the basis of Faraday Effect, total internal reflection or on birefringence. Polarization rotators have found extensive uses in contemporary optics as laser beams are usually linearly polarized and rotating the polarization is necessary to meet the growing demand. Polarization rotators works on the principle of Optical activity, which occurs naturally to quartz crystal as well as other materials that show enantiomorphism properties. The phenomenon is triggered by crystal lattice structure of the material, which lacks mirror-like symmetry owing to the orientation of the helicoidal chains of SiO4. Based on chain rotation route, there is “left” and “right” quartz which rotates polarization counter-clockwise or clockwise correspondingly. Polarization rotators are usually c-cut so that the rotation of polarization take place independently of the components’ rotation around axis, thereby making the component alignment-insensitive. The solitary obligation that remains is that the incident beam should necessarily be perpendicular to rotator’s slit. The device can be used as a replacement for waveplate, to be used along with the narrow band lasers.
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Polarization rotators are widely used in variety of industries. With the advent of technology especially in the fields of astronomy, electronics, and communication and radar applications, the use of polarization rotators will increase at a substantial pace over the course of the market share. All radio transmitting and receiving antennas are intrinsically polarized, special use of which is mode in radar. Vertical polarization is most often used when it is desired to radiate a radio signal in all directions such as widely distributed mobile units. Increase in demand for communication devices as well as electronics products will augment the global polarization rotator market.
The market for polarization rotator can be segmented on the basis of type, orientation, application, and geography. By aperture size the market is divided into industrial grade polarization rotator, scientific grade polarization rotator, and custom polarization rotator. Scientific grade polarization rotator accounted for the maximum share of the market owing to their wide usage in various applications such as interferometry and metrology among others. By orientation the market is classified into 45o and 90o. Among these the 90o owing to its extensive usage in laptops, computers and cameras. When a 90o twisted cell is placed between crossed polarizers, the orientation can be utilized as a shutter as well. On the basis of application, the market can be segregated into astronomy, communication and radar, material science, navigation, and others. The communication and radar application segment held the maximum market share of the global polarization radar market. Satellite communication as well as AM and FM uses polarization for effective communication. Increase in demand for communication systems will drive the overall polarization rotator market in the coming years.
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In terms of geography, the polarization rotator market can be segmented into North America, Europe, Asia Pacific, Middle East and Africa and Latin America. Currently, the North America market accounted for the maximum share in the global market. The U.S. was responsible for a significant market share due to the presence of many prominent players operating in the industry. Moreover, technological as well as astronomical advancements in the region has propelled the overall market for polarization rotator market and is likely to drive the market during the forecast period.
The key players in the global polarization rotator market are Arcoptix S.A (Switzerland), Meadowlark Optics, Inc. (U.S.), Newport Corporation (U.S.), and UAB ALTECHNA (Lithuania). Some of the other players operating in the market are LC-Tec Displays AB (Sweden), Oz Optics Ltd. (Canada), Keysight Technologies, Inc. (U.S.), and Valuetronics International, Inc. (U.S.).