Abstract
A low-noise detection system for near-infrared (NIR) spectroscopic measurements has been developed. The detection system consists of an InGaAs PIN photodiode with a charge integrating amplifier operated at 77 K. The minimum detectable power of 10-16 W was achieved at the wavelength of 1.28 mu m. The authors have also constructed a filter-based spectrometer in conjunction with this detection system. The system performance was tested by the measurement of the spectrum of singlet oxygen (1O2).
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
