Filters & CoatingsOptical Engineering GIAI invites you to participate in the 2025 APE Asian Optoelectronics Expo

GIAI invites you to participate in the 2025 APE Asian Optoelectronics Expo

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…

Read more
Optical EngineeringOptical Materials & Infrared What is a long-pass filter and how wide is its application range?

What is a long-pass filter and how wide is its application range?

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…

Read more