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OtO Photonics' EagleEye (EE) series spectrometers are compact Czerny-Turner cavity designs featuring TE-cooled back-thinned sensors in a choice of NIR- or UV-enhanced versions.


These sensors, in combination with built-in high performance 32bit RISC controller, result in a high SNR of 500 and Dynamic Range of 5000.


EagleEye's compact and rigid optical bench provides a very stable measurement system with outstanding thermal stability of <0.04nm/°C and excellent humidity, shock and vibration characteristics.


Description EE2051 EE2063
2048 pixel TE-Cooled
Back-Thinned CCD Sensor
Hamamatsu S11511
Hamamatsu S11850
UV-Enhanced, Low Noise


OtO have 4 standard combinations of grating and wavelength range, two-each for the UV- & NIR-enhanced versions. Each combination of Sensor and Grating can be selected in a choice of Slit/Resolution which are indicated below. When selecting the Slit size bear in mind that a narrower slit lets in fewer photons and so has lower Sensitivity.


Model Name Groove Density
Blaze Angle
Resolution (nm)
10µm 25µm 50µm 100µm 200µm 300µm
FUVN 300 300nm 180-1100nm 1.7 2.3 3.2 5.6 12.8 20
DUVN 500 300nm 200-1025nm 1.1 1.4 2.4 3.5 7.5 12
NIR1 1200 850nm 790-1010nm 0.5 0.7 0.9 1.7 3.4 4.5
NIR4 1000 900nm 790-1090nm 0.6 0.7 1.1 1.9 3.0 6.5


If these standard configurations do not match your requirement you can select any option from gratings offered in the SmartEngine 180-1100nm spectrometer - please refer to How To Specify SmartEngine  or provide APT with the wavelength range you require and we can recommend a solution.


For Raman applications EagleEye spectrometers can be fitted with an OD6 785nm+ long pass filter.


adobe pdf icon EagleEye product brief
adobe pdf icon EagleEye data sheet


For more information and to discuss your application please Contact Us.