Photonics West 2019
Photonics West will be held February 5-7, 2019 at the Moscone Center in San Francisco, California. This is the premier major event for the optoelectronics industry.The strategy and technology seminar ...
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High Precision Silicon Carbide Aspherical Mirrors
Not long ago, by the Changchun Institute of Optical Machinery undertaken by the national major scientific research equipment development project “4 meters scale high-precision silicon carbide aspheri...
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ZYGO Laser Interferometer Operating Procedures
Interferometer power on and off and basic measurement stepsPower on sequence1. Turn on the computer and monitorInput: User name: zygoPassword: NoneLogin to the operating system2. Turn on the power of ...
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Asphere Processing Technology and Principles
Material removal method:Represented by milling, turning and polishing, mainly including traditional Fan Cheng method of milling and grinding and polishing; CNC milling, turning, precision grinding and...
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Quartz Glass Dome
Optical domes are primarily used to protect precision instruments, equipment, and cameras in harsh environments. In addition to common, low-cost optical glass domes, BANNER can also produce high-preci...
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Application of Optical Components in Machine Vision
Optical components play a wide and critical role in machine vision. As an important branch of artificial intelligence, machine vision simulates the human visual system, using devices such as computers...
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Exploring Infrared Radiation
In the fascinating world of optics, infrared radiation holds a unique position. Although our naked eyes cannot directly capture its presence, it plays a crucial role in numerous fields, profoundly imp...
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Cut-off Frequency of Image Sensors
The pixel array of image sensors (such as CCD, CMOS, etc.) samples the image formed by the objective lens, as shown in Figure 1.Assume the pixel size of the image sensor is ( p ), and the highest freq...
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Achieving Perfect Imaging: MRF Polishing Technology
Magnetorheological Finishing (MRF) is an innovative processing technology that integrates theories from electromagnetism, analytical chemistry, and fluid dynamics. Its “polishing head” is formed by ...
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Calibration Method for the Accuracy of CGH Testing of Large-Diameter Aspheric Mirrors
Computer-generated holograms (CGH) are used to convert the standard spherical wavefront produced by an interferometer into an aspheric or freeform wavefront that matches the optical design of the elem...
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Metal Beryllium Mirror
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Magnesium fluoride (MgF2) ceramic Dome
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Introduction to Powell Lens
Lasers are common optical devices widely used in fields such as laser communication, medical equipment, lighting, and laser printing. In practical applications, it is sometimes necessary to adjust the...
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The function of optical lens and the rule of imaging
The role of lens in the optical system is: aggregation, collimation, imaging, lens generallyrequires coating anti-reflective film to reduce the mirror surface reflection, so as to reducethe loss of li...
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Laser mirrors
Definition：High quality mirrors used in laser resonators and other optical devices.The laser resonator contains a mirror, which needs to meet some requirements,especially the following: Low reflection loss (...
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