InGaAs linear imaging detector has high sensitivity in the near infrared wavelength region. An amplifier array with CMOS transistor charge, a shift register and a timing generator module are included in the detector. Two InGaAs detectors from lisungroup are available for users to choose.
256 pixels cooling InGaAs detectors can be used for the wavelength range 900-2500nm.
512 pixels refrigeration-type InGaAs detector can be used for the wavelength range 900-1700nm.
512 pixels refrigeration-type InGaAs detector can be used for the 900-2200nm wavelength range 900-2200nm.
512 pixels refrigeration-type InGaAs detector can be used for the wavelength range 900-2500nm.
The definition of detector pixel at a specific wavelength is the electrical signal strength, generated from the unit amount of radiant energy (photons) exposure to the pixel. As for a given A/D conversion card, it can be the electronic record values generated from each mj incident energy.
The relation between the light energy exposure to the spectrometer and the light energy on each detector pixel mainly depends on the structural design of the spectrometer optical bench, the main influencing factors are the efficiency of the grating, the size of the incident optical fiber or the size of slit, the performance of the optical mirrors, whether the sensitivity enhancement lenses are used etc. For the spectrometer of given configuration, it can measure the optical radiation levels for sixty or seventy times.