ObjectiveRhodamine 6G (R6G), also known as Rose Red 6G, is a fluorescent dye with water solubility and is often used in optics, laser optics, dyes and other fields. It is very toxic to humans, and there is a risk of cancer from lo

ObjectiveMonocular vision measurement technology has the advantages of simple structure, low cost, convenient and flexible operation, and there are two types of monocular vision measurement technology in general. One is the combin

ObjectiveThe grating interferometer displacement measurement system, as one of the most precise measuring instruments in the measurement field, is not able to ensure the perfect assembly of the grating's attitude position during t

ObjectiveIn systems such as airborne photoelectric turntables and multi degree of freedom swing tables, three-dimensional angle measurement is often required. The methods of angle measurement are divided into contact measurement a

ObjectiveCollimation measurement is one of the most widely used precision angle measurement and attitude measurement methods. By imaging the known reference target at infinity, the accurate angular relationship between the measure

ObjectiveThe pixel-level adaptive gain imaging system can achieve a large dynamic range of remote sensing imaging requirements while ensuring high signal-to-noise ratio by integrating four different volume integrating capacitors i

ObjectiveObjective Phase Measurement Deflectometry (PMD) is widely employed in free-form surface transmission wavefront detection due to its simplicity, high accuracy, and broad detection range. Achieving high-precision phase acqu

ObjectiveCompared with traditional detection/monitoring technology, the distributed optical fiber has absolute advantages compared with traditional method in terms of technical performance and practical application. It can detect

ObjectiveVibration measurement plays an essential role in machinery fault diagnosis and structural health monitoring, and vibration sensors are the most important tool in measuring equipment. Electrical vibration sensor technology

ObjectiveThe double free-form optical beam shaping system can adjust the spatial intensity distribution of the beam without altering its phase distribution. Still, it requires solving for the shape distribution of the double free-

ObjectiveOptical systems with low tolerance sensitivity have good machinability and high manufacturing yield, reducing processing and adjustment costs. To achieve this, it is necessary to evaluate and optimize the system's toleran

ObjectiveIn recent years, with the development of underwater laser communication, laser imaging, lidar and other technologies, many scholars have carried out extensive research on the propagation of beams in ocean turbulence. Beam

ObjectiveWith the rapid development of advanced infrared detection technology and infrared tracking and striking technology, armed helicopters are increasingly threatened by infrared guided missiles from ground and air in the mode

ObjectiveSilicon based optoelectronics are compatible with CMOS technology, and with the help of mature microelectronic processing platforms, large-scale mass production can be achieved. It has the advantages of low cost, high int

Significance As an efficient non-contact processing method, laser processing is an ideal processing method for super-hard brittle materials such as diamond. The high-energy laser ablation of diamond greatly improves the processing

ObjectiveThin-wall components exhibit characteristics such as lightweight, high strength to weight ratio, excellent heat dissipation, and good vibration and acoustic performance. In the aerospace industry, a growing demand for thi

SignificanceBecause the distance measurement error of the laser tracker is much smaller than the angle measurement error, a high-precision coordinate measurement system composed of multiple laser trackers is widely used in large-s

SignificanceThe 2 µm single-longitudinal-mode (SLM) all-solid-state pulsed laser has attracted much attention for its applications in lidar, gas monitoring, laser medicine, material processing and scientific research, owing to its

ObjectiveIn recent years, infrared imaging systems have been increasingly used in industry, security, and remote sensing. However, the resolution of infrared devices is still quite limited due to its cost and manufacturing technol

SignificanceInfrared image dehazing refers to the process of restoring the contrast and visual quality of the infrared imaging system by removing the influence of haze, smoke and other media on the infrared image in the presence o

ObjectiveThe level of optical metrology determines the level of optical manufacturing technology, and the phase-shifting interferometry (PSI) as an easy, high-speed and accurate optical testing tool is usually used during or after