CROPTICS Corporation's conical refractive element (CRE)
CROPTICS, based in Barcelona, has developed a biaxial crystal CRE that is optimal for reproducing conical refraction. Conical refraction is known to have been predicted by Hamilton in 1832, but suitable crystals for reproducing it have been scarce, making it an optical phenomenon that has long been overlooked. The CRE allows for the actual observation of conical refraction and serves as a useful tool for studying its principles and characteristics. *Conical refraction is a phenomenon where a beam incident on a biaxial crystal refracts into a conical shape within the crystal, generating a ring-shaped beam. It is being recognized as a new method for generating Bessel beams, and applications in new uses are anticipated. For more details, please check the "Download" section.
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basic information
CROPTICS (Barcelona) has developed a biaxial crystal CRE that is optimal for reproducing conical refraction. Conical refraction is known to have been predicted by Hamilton in 1832, but suitable crystals for reproducing it have been scarce, making it an optical phenomenon that has been overlooked for a long time. The CRE allows for the actual observation of conical refraction and serves as a useful tool for studying its principles and characteristics. *Conical refraction is a phenomenon where a beam incident on a biaxial crystal refracts in a conical shape within the crystal, resulting in the generation of a ring-shaped beam. It is being highlighted as a new method for generating Bessel beams, and applications for new uses are anticipated. For more details, please check the "Download" section.
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Applications/Examples of results
★★★ Although practical applications have not yet been established, characteristics such as parts of the ring appearing to be missing due to the polarization state and the generation of primary Bessel beams have been revealed, suggesting various possibilities for applications. If you are interested, please feel free to propose new uses!
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RAD Device: The name of RAD Device Co., Ltd. is derived from "radiation" and key devices related to it. In physics, "radiation" refers to the process of energy emission such as electromagnetic waves and particles, and the research fields are diverse. Currently, the region of soft X-rays to UV with high energy and short wavelengths is a leading area of cutting-edge technology related to various applications, from astronomical observations to measurement and manufacturing (nanotechnology), where the devices used (such as detection and wavelength selection) play an important role. However, many existing products still face challenges in terms of performance, operability, and environmental resistance, indicating that this is a field where future advancements are expected. RAD Device was established with the aim of contributing to society by timely delivering key devices and related technical information to the research and development sites associated with radiation.
