With the narrowest bandwidths and highest transmission in the industry, Alluxa’s thin-film, ultra-narrow bandpass filters will optimize the performance of laser based systems. Ultra-narrow filters are ...

Delta Optical Thin Film has lifted the application range of variable filters to new levels by introducing a new powerful type of linear variable filter (LVF). Since Delta Optical Thin Film offered the ...

Integrated Microwave is out with a line of ultra-narrow bandpass cavity filters for 900 MHz STL receivers. The company says the cavities were designed as pre-selector filters and offer low loss and ...

The filter described below is useful for detecting a signal that’s closely surrounded by spurs, even when the task is complicated by the frequency of the signal of interest wandering by a few percent.

The Quarterly of Applied Mathematics contains original papers in applied mathematics which have a close connection with applications. An author index appears in the last issue of each volume. This ...