Terminology

Color Glass Filter

K WONG

A Color Glass Filter (often called a colored glass optical filter) is a type of optical filter made from glass that has been uniformly doped with specific colorants, such as...

Color Glass Filter

K WONG

A Color Glass Filter (often called a colored glass optical filter) is a type of optical filter made from glass that has been uniformly doped with specific colorants, such as...

Laminated Filter

K WONG

A laminated filter is an optical component consisting of a fragile, active optical material—such as a dyed gelatin film or polarizing sheet—sandwiched and permanently sealed between two rigid, protective outer...

Laminated Filter

K WONG

A laminated filter is an optical component consisting of a fragile, active optical material—such as a dyed gelatin film or polarizing sheet—sandwiched and permanently sealed between two rigid, protective outer...

Soft Coating

K WONG

A soft coating is a traditional type of thin-film optical coating characterized by its delicate physical nature and susceptibility to environmental factors. Unlike modern hard coatings, soft coatings are typically...

Soft Coating

K WONG

A soft coating is a traditional type of thin-film optical coating characterized by its delicate physical nature and susceptibility to environmental factors. Unlike modern hard coatings, soft coatings are typically...

Hard Coating

K WONG

In the realm of precision optical components, a hard coating refers to a highly durable, dense dielectric thin-film layer applied to the surface of substrates such as lenses, mirrors, and...

Hard Coating

K WONG

In the realm of precision optical components, a hard coating refers to a highly durable, dense dielectric thin-film layer applied to the surface of substrates such as lenses, mirrors, and...

Cemented Waveplate

K WONG

A cemented waveplate (or cemented retarder) is a type of zero-order optical retarder constructed by bonding two separate multi-order birefringent crystal plates (typically made of quartz) together using an optically...

Cemented Waveplate

K WONG

A cemented waveplate (or cemented retarder) is a type of zero-order optical retarder constructed by bonding two separate multi-order birefringent crystal plates (typically made of quartz) together using an optically...

Achromatic Waveplate

K WONG

An achromatic waveplate is an optical device designed to provide a nearly constant phase shift (retardance) to polarized light over a broad range of wavelengths. While a standard waveplate only...

Achromatic Waveplate

K WONG

An achromatic waveplate is an optical device designed to provide a nearly constant phase shift (retardance) to polarized light over a broad range of wavelengths. While a standard waveplate only...