Here we provide articles about popular science and applications of filters, lenses, prisms, reflectors, ND mirrors and other optical components. You are welcome to read!
In an era dominated by visual communication, the unassuming infrared cutoff (IRC) filter has emerged as a silent enabler of our digital vision. Embedded within smartphone cameras and surveillance systems alike, this optical component performs a delicate balancing act between light management and spectral purity,…
The 20th anniversary of LASER World in 2025 will be held at Shanghai New International Expo Center (Hall 3, Halls N1-N5, E7-E4) from March 11 to 13! As the largest and highest-level optoelectronics industry event in Asia, this exhibition focuses on cutting-edge laser technology, optical…
From February 26 to 28, 2025, the Asia Photonics Expo (APE 2025) will be held in Hall L1 of the Sands Convention and Exhibition Center in Singapore! As the top event in the optoelectronics field in the Asia-Pacific region, this exhibition focuses on cutting-edge fields…
Optical filters are essential components in a wide range of applications, from scientific research to industrial processes. Their performance is defined by a set of key parameters that determine their suitability for specific tasks. Understanding these parameters is crucial for selecting the right filter for…
A short-pass filter, also called a low-pass filter in some cases, is an optical device that allows shorter wavelengths of light to pass through while blocking longer wavelengths. This type of filter is essential in a variety of scientific, industrial, and technological applications that require…
Optical filters are indispensable components in optical systems, used to select light of a specific wavelength or block unwanted light. Among the performance parameters of filters, cut-off depth (Optical Density, OD value) is a crucial indicator, which directly determines the filter’s ability to block non-target…
A narrowband filter is an optical filter designed with a narrow bandwidth. It is a type of bandpass filter that can selectively transmit light in a very narrow specific wavelength range while blocking light of other wavelengths. Its core feature is that the bandwidth is…
Together we will create a photoelectric future – Invite you to attend the 2025 APE Asia Photoelectric Expo Dear domestic and foreign customers, partners and fellow optoelectronics enthusiasts:In this era of rapid technological development, optoelectronic technology, as a key force in promoting global industrial upgrading…
In the field of optics, optical filters are endowed with unique optical properties through their special construction materials and film materials, and different optical filters have different actual performance. Today we will talk about a classification of cut-off filters, long-wave pass filters. Among various types…
Photonics West 2025 in San Francisco has come to a successful conclusion and Giai is proud to be a participant in this great event. As a leading manufacturer of optical components, including optical filters, optical lenses, and optical prisms, we are excited to showcase our…
In the field of optics, filters are widely used in various optical instruments and equipment as an important optical element. Among them, long pass filters (LPF, also known as high pass filters, HPF) have become an indispensable part of the optical field with their unique…
Infrared filters, as a specially designed optical device, allow infrared light within a specific wavelength range to pass through while blocking other wavelengths of light, especially visible light and ultraviolet light. The working principle of this filter is based on the selective absorption and transmission…
