what germanium lens is used for？
1.Infrared Optical System Infrared [...]
What Is Polarizer Film?
Polarizing material: LCD polarizer film is made of a [...]
Porro Prism vs Roof Prism Lens
Porro Prism Lens is the most commonly used type of prism. [...]
Dielectric Mirror Materials And Their Applications
1.Basic Principles of Dielectric Mirrors Dielectric mirrors are [...]
What is the group velocity dispersion？
Group velocity dispersion (GVD) is the second order effect [...]
Cylinder Lens:The Function and Application Areas
Cylinder lens(Cylindrical Lenses) is a special kind of lens, [...]
What is The Interferometers？
An interferometer is a device that uses wave interference [...]
Dichroic Mirror: A Reliable Assistant in Gemstone Identification
Dichroic mirrors, as a powerful assistant in gemstone identification, [...]
What is the Iris Diaphragm Microscope?
Iris Diaphragm Microscope is a specialised equipment used to observe [...]
What is an collimator and its application fields?
1. What is a collimator？ Collimator is an optical [...]