The Basics of Long Pass Filters

Long pass filters, sometimes referred to as long pass edge filters, are designed to transmit wavelengths within a given wavelength range. This band is defined by the filter’s cut-on edge which essentially blocks frequencies shorter than the specified edge wavelength....

How Does a Dichroic Filter Work?

Dichroic filters are designed to selectively allow wavelengths within a specific transmission band to pass through while reflecting all other colors and for beam steering purposes. They are particularly useful in optical applications where the detector is...

What is a WDM Channel?

A simple approach in optical data communication is the use of a pair of optical fibers for a single channel transmission. The fiber pair provides the two directions for transmitting the data. Basically, one pair of fiber is equivalent to one data channel and the light...

An Overview of Optical Interconnect Technology

Optical interconnect technology is the successor to conventional electrical interconnects. Particularly in telecommunications, it was an obvious and essential step from electrical to optical interconnects to cope with the ever-growing demand for higher bandwidths,...