February 2010

Band Pass Filters

Band pass filters (BPF) are used to transmit one or more bands of wavelengths while blocking (or reflecting) adjacent wavelengths over extended ranges.

Beam​​ splitters and Tap Couplers

Beam​​ splitter filters are typically used to split one beam into two beams through transmittance and reflectance.

CWDM Product Line

Coarse wavelength division multiplexing (CWDM) filters multiplex and de-multiplex wavelength signals in metropolitan networks, access networks, enterprise networks and cable networks.

Edge Pass Filters - Telecom

EPFs are used in telecommunications applications where wavelength band separation or optical add-drop multiplexing (OADM) is required.

FTTx Filters

Tri-band optical filters are used for wave division multiplexing (WDM) in fiber to the home or business (FTTx) applications.

Gain Flattening Filters

Gain Flattening Filter (GFFs), also known as gain equalizing filters, are used to flatten or smooth out unequal signal intensities over a specified wavelength range.

Linear Transmittance Filters

Linear transmittance filters are used for wavelength identification applications, employing a transmittance that changes linearly over a specified wavelength range.

Multiple Band Pass Filters

Iridian offers a full range of multiple band pass filters in the visible and near IR wavelength ranging from 400nm-2500nm.

Single Cavity Etalon Filters

Single Cavity Etalon Filters are narrow band​​ pass filters (typically with FWHM < 0.5 nm) that are well-suited for wavelength-locking applications

Solid Etalon Filters

Solid Etalon Filters have a well-defined periodically spaced frequency grid and are typically used for wavelength locking or dispersion compensation (all-pass filters).

Telecom Band Pass Filters

Band​​ pass filters (BPF) are used to transmit one or more bands of wavelengths while blocking (or reflecting) adjacent wavelengths over extended ranges.

Notch Filters

Applications such as Raman spectroscopy often require that certain frequencies within a narrow range be attenuated.

Band Pass Filters

Band​​ pass filters (BPF) are used to transmit one or more bands of wavelengths while blocking (or reflecting) adjacent wavelengths over extended ranges.

Edge Pass Filters - Spectroscopy

Optical edge pass filters (EPF) are needed to isolate transmitted wavelengths from blocked wavelengths often in a sharp transition.

Laser Line Filters

Iridian’s Laser Line (LL) Filters feature high transmittance in the pass​​ band and a steep roll-off.

Multiple Band Pass Filters

Iridian offers a full range of multiple band pass filters in the visible and near IR wavelength ranging from 400nm-2500nm.

Multiple Notch Filters

Iridian's Multi-Notch Filters incorporate the same benefits as our single notch filter with as many as 4 laser lines blocked in one filter.