Optical Cylindrical Lens Uses
Optical cylindrical lens can be used for converging or diverging light beams in a single axis. Cylindrical lens is used in many industries and fields such as optical metrology, laser scanning, spectroscopy, laser diode output beam shaping, and light-sheet illumination microscopic imaging.
Form the collimated light source into a line light source.
This is the most wide use of cylindrical lens. Taking a plano concave cylindrical lens as an example, it can be a beam of collimated light that expands into a linear light source according to the magnification.
The cylindrical lens is also used for astigmatism. Collimation of diode output beam The output beam of the laser diode diverges in an asymmetrical form, and its collimation work is more challenging. For example, for a diode light source with a divergence angle, if only a standard spherical lens is used, it can only be collimated in a single direction, and divergence or convergence will occur in the other direction. Using cylindrical mirrors can decompose the problem into two one-dimensional directions. By combining two orthogonal cylindrical mirrors, the two directions can be collimated simultaneously.
Optical Cylindrical Lens Working Principle
Optical Cylindrical Lens, mainly used to change the size of the imaging design requirements. Such as converting a spot to a line spot or changing the height of the image without changing the width of the image. Cylindrical lens has special optical properties. With the rapid development of high technology, cylindrical lens is used more and more widely.
Such as line aggregation system, film camera system, fax machine and scanning imaging system of printing and typesetting, gastroscopy and laparoscopy in the medical field, vehicle video system in the automotive field with the participation of cylinder mirror. Also in linear detector lighting, barcode scanning, holographic lighting, light information processing, computer, laser emission. It is also widely used in strong laser system and synchrotron radiation beam line.
At the same time, with the continuous improvement of cylindrical lens processing technology, a mature and efficient processing technology has been formed, and its good quality reproducibility and repeatability are gradually recognized by the market. At present, the technology is gradually replacing the relatively backward traditional technology.
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