Photonics Medical Application Notes

11. Application Note: Magnetic Field Sensitivity 8/18/2008
    SPM detectors are insensitive to magnetic fields unlike PMTs, which are very sensitive to even weak magnetic fields (<0.1T).
12. Coat Of Many Colors: Cases In Equine Thermal Imaging 2/17/2012

    Infrared cameras have improved, procedures have been standardized, and veterinarians have become familiar with interpretation of the images. By Joanna L. Robson, DVM

13. Application Note: High-Speed Spectroscopy 9/15/2008
    Optical spectroscopy is an almost universal technique for monitoring substances or processes. There are many varieties of spectroscopic techniques for various applications. Some of these applications (combustion research, for example) require very quick measurement times, especially if the process of interest is very fast. By IMRA America, Inc.
14. Advantages of Point Source Emitters: Application Note 4/30/2012

    A Point Source Emitter is similar to a standard LED, however, its well defined circular area (usually 25μm-200μm in diameter) makes it ideal in applications involving encoders, machine vision, medical fiber, and any other application where a precise beam of light is needed. This application note provides background information on Point Source Emitters, and highlights their advantages over standard LEDs.

15. UV Measurement Of Sunglasses Using A Back-Thinned CCD Spectrometer 1/22/2013

    In assisting thousands of customers over the years, we’ve discovered that everyone has a slightly different idea of what constitutes ultraviolet light. For some, it’s the light just beyond human vision that some animals can see (300-400 nm). For others, it’s ionizing radiation that propagates only in a vacuum, below 120 nm.  What we can all agree on, however, is that UV light is not good for our eyes, and that a proper pair of sunglasses needs to block these harmful rays.

16. Application Note: Scintillator Readout With SPM 8/18/2008
    A large number of radiation detection applications utilize scintillation crystals to convert gammaor X-rays into a burst of optical photons that can then be measured with a suitable photodetector. Depending on the scintillator type and the application, the photodetector could be a PMT, PIN diode or an APD. The SPM is considered to be a viable alternative to these options, giving performance comparable with a PMT in the small, rugged, low voltage format of a PIN or APD.
17. Photodiode Typical Applications 3/22/2011
    Photodiodes are unique among light detectors in that when illuminated, they generate an output which is proportional to light level. By Excelitas Technologies
18. Measuring The Opacity Of Plastic Tubing With VIS-NIR Transmission Spectroscopy 1/22/2013

    Plastic tubing is available in a variety of opacities ranging from clear to translucent. The transparency of plastic tubing is varied for a number of reasons including providing contrast for visual monitoring of fluid flow, decreasing exposure to ambient light and making the tubing more distinct for machine vision technology. In this application note, VIS-NIR transmission spectroscopy is used to assess the amount of frosting applied to plastic tubing to determine if the tubing meets the required opacity level.

19. Flexible Fluorescence Technical Tip 1/22/2013

    Fluorescence is one of the most beautiful phenomena in nature, as fascinating to us today as it was for early scientists. It occurs throughout nature: gemstones, minerals, chlorophyll and even crude oil residues fluoresce. And though fluorescence began as a field of scientific study, it has evolved and matured into a technique that now enables entire fields of cutting-edge science and medicine.

20. Single Photon Counting With A Focus On Biomedical Applications 3/22/2011

    Over the past few years a growing number of companies have come to rely on Photon Counting for applications that range from particle sizing, atmospheric studies and advanced forms of biomedical research. By Excelitas Technologies