Iridian Articles
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Remote Sensing With Lidar Requires Optical Filter Trade-Offs
4/12/2019
Engineers and designers working on lidar applications should consider critical filter issues early on.
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Specifying Surface Figure And Wavefront Distortion For Multi-layer Optical Filters
1/15/2019
This white paper helps explains where, when, how, and how much to specify wavefront distortion to ensure that functional requirements of filters are guaranteed while unnecessary and costly constraints are avoided.
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LiDAR And Optical Filters – Helping Autonomous Vehicles See More Clearly
10/31/2018
The evolution of sensing and imaging systems, combined with the desire to create safer, more efficient transportation systems, is driving the development of autonomous vehicles. LiDAR is a key technology that will eventually help carry this growth through to “Level 5” autonomy.
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Optical Interconnects For Data Centers — Lighting The Cloud
1/16/2018
The demand for storage and data transfer capacity has increased dramatically over the last decade. The need to constantly access and transfer data to and from, as well as within, data centers has placed a huge load on the interconnects connecting the backplanes of data servers.
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Frequently Asked Questions: Optical Thin Film Filters
12/11/2017
This article answers an array of frequently asked questions about optical thin film filters. It provides in-depth information on what they are, how they are created, how they perform, and what to look for when selecting an optical thin film filter supplier.
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Large-Format, Narrow Band Pass Filters (NBPF) – A Uniformity Challenge
1/27/2017
Within so many diverse optical filtering applications, large-format (>100 mm diameter), narrow bandpass filters (NBPF) are required to be used alongside large collection optics in order to facilitate specific and selective analysis of a phenomena or the substance of interest.
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Enhancing Endoscopy With Optical Filters
10/30/2015
While white-light reflectance (WLR) imaging has become the standard for in vivo diagnosis using “conventional endoscopy,” this white paper details three alternatives — or supplements — to WLR that leverage the wavelength selectivity provided by optical filters.
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Optical Filters: Right In Front Of Your Eyes
6/29/2015
Continued improvements in multilayer thin film filter (TFF) design and manufacturing methods — such as in-situ optical monitoring and automated coater control with dynamic design adjustment — have enabled successful production of optical filters with increasing control over the spectral shape.
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Clear The Air: New Optical Filters For Sensors And Detectors
4/2/2015
Our world is increasingly monitored with sensors and detectors measuring things like air quality and IoT. Discover how this technology helps us better understand and interact with our environment.
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Finding The Needle In The Haystack: Raman Analysis And The Role Of Optical Filters
1/9/2015
Most Raman microscopy applications seek to maximize access to the Raman fingerprint of the molecule of interest, requiring filters that provide “more signal with less background.” This article discusses optical filters for Raman analysis, addressing filters for both bench-top and portable Raman applications.