Optical Filters News

  1. Mechanical Dimensions Of Optical Filters 10/16/2023

    Understanding the mechanical dimensions of optical filters, particularly parameters like clear aperture and parallelism, is paramount for ensuring proper functionality.

  2. Surface Quality Standards For Optical Filters 10/16/2023

    Surface quality standards establish acceptable flaws on optical components that affect performance. Proper specification of these standards is crucial to achieving performance balance.

  3. Temperature Dependence In Optical Filters 10/16/2023

    Thoughtful design and substrate selection are vital to minimize substantial shifts in interference filter spectra due to temperature fluctuations.

  4. Schneider Introduces New NBP450-40 Industry Filter For Use With Blue Lasers And LEDs Of The Same Wavelength 5/4/2023

    Schneider-Kreuznach has launched ;a new industry filter, the NBP 450-40 Narrow Bandpass Filter, an excellent choice for use with blue lasers or LEDs of the same wavelength.

  5. Defense + Commercial Sensing: Exploring The Latest Innovations In Imaging, Sensing, And Photonic Technologies 4/11/2023

    Over the past 68 years, SPIE has been connecting, engaging, and serving its global constituency of more than 258,000 people from 184 countries. A big part of meeting that mission is accomplished by hosting conferences and exhibitions and, at the end of the month, SPIE will be hosting a big one: The Defense + Commercial Sensing conference and exhibition.

  6. Angle Of Incidence (AOI) And Polarization 4/5/2023

    The relationship between angle of incidence (AOI) and polarization is explained, with a focus on how AOI affects the transmission and reflection of light.

  7. Designing Optical Filters For Earth Observation And Satcom 4/4/2023

    Discover how the evolution of satellite technology, driven by the rise of private space programs, transforms earth observation and communications, facilitated by advanced spectral filters.

  8. How Custom Filters Can Optimize Instrument Performance 1/9/2023

    Different Raman devices have different optical filtration needs as well as competing technical demands. 

  9. 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.

  10. 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.