Optical windows are transparent plates used to protect instruments or sensors from the external environment. They have a high transmission of light within specific wavelength ranges, and often have anti-reflective (AR) coatings applied to improve their transmission properties. When selecting optical windows, it is important to consider specifications such as transmission, refractive index, hardness …
In an infrared (IR) optical system, the objective is to focus the thermal image of a scene onto the detector array. The optics used in IR systems are similar to those used in visible light systems, but they must be capable of transmitting the specific wavelengths of radiation being detected. The two most common …
Introduction of Lenses Aspheric lenses have had a significant impact on the field of optics by offering improved optical performance through the correction of spherical aberrations. This comprehensive guide explores the world of aspheric lenses, including both glass and plastic variants, highlighting their advantages, manufacturing methods, specifications, and applications. Whether you are a photographer utilizing …
Diode lasers, also known as semiconductor lasers, operate by passing an electric current through a semiconductor material. This process generates light, which is then amplified to produce a coherent laser beam. The specific wavelength of the laser depends on the band gap of the semiconductor material used. In diode lasers, electrons and holes (positive …
What is an optical coating? An optical coating, also known as an optical film or thin film coating, refers to a thin layer of material that is applied to an optical surface, such as a lens or mirror. Optical coatings are designed to modify the transmission, reflection, or absorption properties of the surface they …
Optical sensors convert light into electrical signals and can also detect and measure the intensity of light. Optical sensors are used in many devices, including computers and motion detectors. This article will discuss the types of optical sensors and their applications. Applications of Optical sensors Applications in medical and health care Optical sensors are …
Introduction to optical components Optical components are meticulously crafted from semi-transparent materials and serve the purpose of transmitting or reflecting light. Transmissive optical components encompass lenses, beamsplitters, windows, optical flats, prisms, wave plates, and fiber optics. Reflective components include mirrors and retroreflectors. Application areas of optical components The effectiveness of each optical component hinges on …
1. Precision polishing and molding Domestic production of single-piece aspheric lenses generally uses grinding and polishing at the same time. As technology advances, accuracy becomes higher and higher. Most importantly, the precision polishing of aspheric lenses from China is computer controlled and automatically adjusted to achieve parameter optimization. Aspherical lenses from China. Magnetorheological finish is used …
Optical bandpass filters are specialized components in the field of photonics, designed to transmit light within a specific wavelength range while blocking light outside this range. These filters are pivotal in applications where precise wavelength selection is critical, such as in spectroscopy, laser line separation, or fluorescence microscopy. At their core, optical bandpass filters …
This section aims to provide a foundational understanding of plate beamsplitters. By exploring their fundamental aspects, types, operational principles, material composition, and how they compare with cube beamsplitters, we establish a comprehensive baseline knowledge necessary for professionals in the field. Plate beamsplitter is an optical device that divides an incident beam of light …
