Newsletter | March 4, 2023

03.04.23 -- February's Most Popular Articles & News
 
From The Editor
Accidentally Identifying Methane Super-Emitters From Space
 
By John Oncea, Editor

NASA’s EMIT mission is mapping the prevalence of key minerals in dust-producing deserts. But — surprise! — it’s also detecting the presence of methane around the world.
Top Industry Insights
New Metrology Techniques For Advanced Thin Film Optical Filters
  White Paper | Alluxa, Inc.

Alluxa’s thin film optical filter technology has advanced to the point where the spectral slopes and blocking levels are challenging even the best metrology equipment and techniques. This paper discusses challenges and provides solutions for measuring the spectral response of this new class of high-performance filters.
Filter Specs Vs. Functional Specs – The Pitfall Of Double Margining
  Article | Iridian Spectral Technologies

In designing a filter solution, the filter manufacturer takes the values requested by the user and adds additional design margin to account for both functional effects and filter manufacturing effects such as edge steepness, nonuniformity, and wavelength targeting.
Precision Velocity Measurement: Canon Non-Contact Displacement Sensor
  Article | By Tony Kitazawa, Canon USA, Inc. Optoelectronic Components

Non-contact sensing is invaluable in applications where measurements may be rendered unacceptably imprecise by slippage and poor speed management or equipment or products may be damaged by contact.
Top Industry News
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