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  • Compact handheld instrument incorporating UltraMicro MEMS spectrometer
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  • UltraMicro MEMS grating-collimator micro-spectrometer
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UM2280 handOtO's Photonic's UltraMicro Series range of proprietary MEMS-based microspectrometers operate over UV to NIR wavelengths (330-850nm) and are available in form-factors down to just 7cm³.

 

OtO's MEMS-based microspectrometers replace the "collimator-plane grating-focusing mirror" optical structure used in traditional Czerny-Turner spectrometers with a "non-spherical, mass-producible" micro-sized component which combines grating and focusing functions. The microchip concave grating technology leverages patented algorithms to calculate curvature and ray-tracing to eliminate aberrations and achieve high resolution of 2nm.

 

C T Schematic MEMS Schematic

 

Description UM1280
UM2280 (High Sensitivity)
UM1380
UM2380 (High Sensitivity)
Vertical Input
UM1390
UM2390 (High Sensitivity)
Sensor SONY ILX563A
UM1280: 3k pixel CCD
UM2280: 3k pixel CCD w/ Cylindrical lens
Toshiba TCD 12650
UM1380: 2500 pixel CCD
UM2380: 2500 pixel CCD w/ Cylindrical lens
Toshiba TCD 12650
UM1390: 2500 pixel CCD
UM2390: 2500 pixel CCD w/ Cylindrical lens
SNR 150 200 200
A/D 16 16 16
Slit Width
&
Resolution
10 µm / 3.5 nm
25 µm / 5.5-6.0 nm
40 µm / 10nm
10 µm / 3 nm
25 µm / 6 nm
40 µm / 10nm
10 µm / 3 nm
25 µm / 6 nm
40 µm / 10nm
Optical
Parameters
f/#: 4.5
NA: 0.11
Focal Length (R1-R2): 7-15
Dimensions UM1280/UM2280: 39.25 x 43.54 x 10.1 mm
UM1380/UM2380: 23.2 x 31 x 10 mm
UM1390/UM2390: 23.2 x 31 x 8.5 mm

 

All UltraMicro Series microspectrometers have adjustable exposure times from 1ms to 65ms and 2MHz sensor readout rate. They are interfaced via an 8-lead CCD ribbon connector or OtO's optional external control boards with 32bit RISC core and 16bit ADC which provide a USB interface for PC control using OtO's SpectraSmart software. A full Windows SDK is also available - along with example code for Linux operation.

 

adobe pdf icon UltraMicro Series product brief
adobe pdf icon UltraMicro & Extreme UltraMicro data sheet
adobe pdf icon Control Board data sheet

 

For more information on UltraMicro Series microspectrometers and to discuss your application, please Contact Us.