Spectral Irradiance measurements, Light Measurement Information about: "How to Use the 2DMPP spectrograph for Light and Irradiance Measurements www.getspec.de

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Information about: "How to Use the 2DMPP spectrograph for Light and Irradiance Measurements

Characteristics of the spectrometer applications for light measurement

optical resolution of about 1nm FWHM (1024 pixel, range 380 - 880nm)
16 Bit- A/D converter, high SNR of the whole system
Integration time from 8ms to 160sec
highest wavelength stability
cooled detector offering high long term stability
no mechanically moving parts
software with all common parameters for light measurement
calibration storage in the internal EEPROM

CDI2DMPP - short presentation
The CDI2DMPP described in the product section is a very interesting alternative for applications in light measurement. The heart of this compact system is the TE cooled Si-CCD array with 1024 x 64 elements. The detector has a very high signal-to-noise ratio. The compact spectrometer optics is directrly connected to the detector. This offers very high long term stability. Recalibration of the wavelength axis is not necessary.

The picture below shows the spectrometer with attached fiber optics and the data transmission cable that allows the connection of the system with any PC, industrial PC or notebook.

Spectrometer options

Versions with higher optical resolution
special wavelength ranges
UV versions
complete systems with integrating sphere or diffusor

Applications in light measurement

high-pressure lamps / discharging lamps
fluorescent tubes, line emitters of any kind
LED
LCD displays
monitors
daylight measurements

System setup
The spectrometer is coupled to the measured sample with an 400µm quartz fiber. The pickup optics can be any configuration using an diffusor, an integrating sphere or a simple fiber optics.

Software with functions for light measurement
The standard software is a high flexible software for different fields of application. Software and manual are in english. All typical parameters in the field of light measurement can be estimated and saved to files.

Additional software options

Windows DLL
LabView driver
custommized software for quality assurance and process applications.

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