Iridian Articles
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Solving PCR Filter Challenges For High-Performance qPCR Instruments
qPCR instrument users need high sensitivity and pristine signal clarity to achieve numerous delicate tasks. The right combination of optical filters significantly improves this functionality.
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Improving DWDM Module Performance With Narrow Dual Band Pass Filters
11/20/2023
Narrow dual band pass filters, designed and produced mostly for DWDM modules, improve a module’s total insertion loss by reducing the number of components used.
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Optical Filter Wavefront Distortion: Out-Of-Band To In-Band Predictions
8/28/2023
This paper explores predicting accurate in-band wavefront error of an optical filter using out-of-band measurements due to wavelength and angle variations.
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Designing Optical Filters For Earth Observation And Satcom
4/4/2023
Space is the new technological frontier with constellations of satellites designed for earth observation and satellite communications gathering data at unprecedented rates. These next-generation satellites need next-generation technology.
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How Custom Raman Edge Pass And Dichroic Filters Optimize Instrument Performance
1/9/2023
Different Raman devices have different optical filtration needs as well as competing technical demands.
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More Signal, Less Background: Improving Signal To Noise Ratio
11/28/2022
The path to improving signal-to-noise ratio - the ratio of the power of signal (desired input) to the power of background noise (undesired input) - is to reduce the power of the noise – less background.
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Using Optical Filters To Measure Earth From A Different Perspective
9/19/2022
An improved ability to manage or understand the natural or influenced phenomena is critical to ensuring that we maintain a healthy planet capable of sustaining humanity as part of its diverse biomass. But understanding these phenomena and how they are changing over time requires measurement.
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How To Enhance Optical Blocking Using Multiple Filters
8/10/2022
Any background light that reaches the detector of an optical system can greatly compromise signal-to-noise ratio. Using more than one blocking filter is a solution that requires careful consideration.
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Filter Specs Vs. Functional Specs – The Pitfall Of Double Margining
6/13/2022
Wavelength “padding” can result in over- or under-margining of transmission/blocking wavelengths. This leads to a more expensive solution with compromised performance.
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How A Filter Is Specified
6/13/2022
Understanding the filter function and use conditions allows the filter design team to create a filter specification that will ensure the functional requirements are met by a filter that is manufacturable under the commercial constraints (cost, lead-time, volume) of the customer.