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Filters

Optical Filters For Flow Cytometry

Iridian Spectral Technologies designs and manufactures optical filters that are optimized for flow cytometry applications. These dichroic (FLD) and emission (FLE) filters deliver more signals with less background noise, and are compatible with common excitation sources and fluorophores. They also feature high transmission and reflection levels, low ripple, steep edges, and deep blocking outside of the pass band.

Imaging Color Filters

Iridian Spectral Technologies has designed and manufactured a wide range of dielectric optical filters for imaging and machine vision applications. Featuring steep edges, high transmission values, and high durability, these color filters can be used to improve contrasts, and isolate spectral regions and colors in images.

Optical Filters for Endoscopy and Medical Imaging

Iridian Spectral offers edge, notch, and band pass optical filters covering the 300nm (UV) to 10µm (LWIR) wavelength range for biomedical instrumentation, and medical devices for endoscopy and laparoscopy.

Fluorescence Filters

Iridian offers excitation, dichroic, and emission fluorescence spectroscopy filters for confocal microscopy, flow cytometry, and other biomedical applications. These three different filter types are often used in a set in order to maximize the desired signal while minimizing the undesired signal.

3D Cinema Glasses and Projector Optics

The popularity of 3D cinema has grown in the last five years, and in that time, Iridian Spectral Technologies has manufactured millions of reusable 3D color band glasses for 3D cinema. They’re durable, scratch-resistant, and even dishwasher safe for sterilization and reuse.

AR and AF Automotive Display Coatings

Iridian Spectral Technologies has developed oleophobic and hydrophobic AF coatings for easy cleaning and smudge resistance, and AR coatings to suppress surface reflections for use in touch-screen technology in vehicle interiors.

Raman Filters

In Raman spectroscopy applications, emitted light is very close in wavelength range to the excitation light. In order to attenuate a laser’s signal from reaching the detector while at the same time transmitting the weak emitted light signal, notch or edge pass Raman filters are required. Because of their high transmittance and extended deep blocking, Raman laser line filters are also required to ensure that only the desired wavelength is actually illuminating the sample being tested. This page provides an overview of Iridian Spectral Technologies' line of filters for Raman spectroscopy.

Telecom Filters

Iridian Spectral Technologies ships anywhere between 10,000 to 40,000 telecom filters per week. These filters are used in a wide variety of telecom applications, including wavelength multiplexing and de-multiplexing,  optical amplification/gain flattening, laser wavelength stabilization, pulse dispersion compensation, fiber-to-the home/business, and fiber line monitoring. More details on the applications can be found below.

Multi-Zone Filters

Iridian Spectral Technologies' multi-zone filters offer spatially varying spectral performance on a single substrate in the UV to LWIR wavelength range. Filter types include bandpass, notch, long-pass, and short-pass with coatings offered for AR, high-reflectivity, and black-absorbing.

Space, Satellite, and Astronomy Filters and Coatings

Iridian Spectral Technologies offers filters and coatings for satellites and LEO instrumentation, including large format filters for astronomical observations (single band and multi-band pass filters), light absorbers/black coatings, dichroic mirrors and beam-splitters, and multi-element arrays.

MLWIR Optical Filters and Coatings

Iridian Spectral Technologies' MLWIR (mid-long wave infrared) bandpass filters provide narrow and high transmission in the 2-10µm wavelength region, ultimately enabling an optical systems’ ability to detect a gas and its concentration in environmental and process analysis.

MLWIR Optical Filters and Coatings

Iridian Spectral Technologies' MLWIR (mid-long wave infrared) bandpass filters provide narrow and high transmission in the 2-10µm wavelength region, ultimately enabling an optical systems’ ability to detect a gas and its concentration in environmental and process analysis.

Heading 1OPTICAL FILTERS FOR LiDAR LASER SENSORS

Airborne laser scanning is a rapid, highly accurate and efficient method of capturing 3D data of large areas, such as agricultural or forestry sites, urban areas, and industrial plants. LiDAR (laser detection and ranging) can provide a point cloud of data that precisely describes the position and velocity of objects in the field of view of the system through analytical methods such as time-of-flight or coherence.

Optical Filter Solutions for Datacom

As data storage and computing resources move into the cloud, the demand on data centers (DC) for storage and data transfer capacity has increased dramatically. Key factors driving higher capacity data center interconnect (DCI) bandwidth include:

Eyes in the Skies- Optical Filters for Earth Observation

Since the agricultural revolutionmore than 10,000 years ago humans have increasingly sought ways to manage and improve our local and global environments. In the modern world we have become increasingly dependent on the ability to control or at the very least understand, for purposes of commerce, safety and security, and science, our environment and our impact/interaction with it.

Laser Reflection Glasses: LaseReflect™ Aviator

Transportation operators, such as pilots or train conductors and law enforcement personnel often come under attack by commonly available laser pointers. The glare associated with these attacks can cause dangerous distraction or, in some instances, temporary blindness. A report by the FAA estimates the number of incidents in 2017 will be 6335. More than 90% of strikes came from green (532 nm) lasers in 2016.

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