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SE LogoOtO Photonics' SmartEngine (SE) Series of compact Czerny-Turner spectrometers can be specified with a huge range of configurations based on a choice of:-

 

  • 8 standard sensors
  • 6 standard slit sizes
  • 39 gratings (and increasing)

 

When specifying the correct SmartEngine for your application we suggest you start by defining the spectral range and resolution you require to determine if one of OtO's standard combinations of Grating and Factory Set Spectral Range meets your needs. You can also find the Resolution available for different Slit Widths in the table below:-

 

Name Groove Density
(g/mm)
Blaze Angle
i.e.
Optimum
Efficiency
Wavelength
Factory
Set
Spectral
Range
Resolution (nm)
10µm 25µm 50µm 100µm 200µm 300µm
DUVN
500 330nm 200-1025nm 1.1 1.4 2.4 3.5 7.5 12
FUV 600 300nm 180-850nm 1.0 1.2 1.9 3.3 6.7 10
FUVN 300 300nm 180-1100nm 1.7 2.3 3.2 5.6 12.8 20
VNIR 600 500nm 350-1020nm 1.0 1.2 1.9 3.3 6.7 10
NIR1 1200 850nm 790-1010nm 0.5 0.7 0.9 1.7 3.4 4.5

 

If the standard configurations do not match your requirement the full list of options is given below - or simply provide APT with the wavelength range you require and we can recommend a solution.

 

Each grating has a "Factory Selectable Band" within which OtO can configure the "Spectral Width" when setting up the spectrometer's cavity during manufacture. For example the 830 grooves/mm grating blazed at 800nm can be set up to cover a 410nm spectral width within the 180-1100nm band.

 

 

Groove
Density
(g/mm)
Optimum
Efficiency
Wavelength
Spectral
Width
Factory
Selectable
Band
(nm)
Simulated Resolution (nm) Guidance only
10µm 25µm 50µm 100µm 200µm 300µm
2400 240nm
400nm
UV 150nm
V-NIR 100nm
180-520 0.2 0.3 0.4 0.7 1.2 1.8
1800 180nm
250nm
500nm
UV 210nm
V-NIR 150nm
180-700 0.3 0.4 0.6 1.0 1.8 2.6
1600 200nm UV 240nm
V-NIR 160nm
180-780 0.3 0.4 0.7 1.2 2.0 2.9
1500 600nm  UV 260nm
V-NIR 170nm
180-820 0.3 ~ ~ ~ ~ ~
1400 230nm UV 260nm
V-NIR 180nm 
180-900 0.4 0.5 0.8 1.6 3.0 ~
1200 200nm
300nm
500nm
600nm
750nm
850nm
UV 320nm
V-NIR 220nm
180-1010 0.4 0.6 0.9 1.7 3.4 4.5
1000 250nm
900nm
UV 400nm
V-NIR 300nm
180-1100 0.6 0.7 1.1 1.9 3.0 6.5
950 1000nm UV 420nm
V-NIR 330nm
180-1100 0.7 0.9 1.4 2.4 3.5 ~
900 500nm UV 450nm
V-NIR 360nm
180-1100 0.6 0.8 1.3 2.3 4.6 7.1
830 800nm UV 490nm
V-NIR 410nm
180-1100 0.9 1.0 1.5 2.5 4.5 8.3
600 250nm
300nm
400nm
500nm
800nm
1000nm
UV 680nm
V-NIR 660nm
180-1100 1.0 1.2 1.9 3.3 6.7 10.0
500 300nm
330nm
560nm
770nm
UV 830nm
V-NIR 820nm
180-1100 1.1 1.4 2.4 3.5 7.5 11.5
400 250nm
550nm
920nm 180-1100 ~ 2.3  3.2 6.0 12.8 ~
300 200nm
230nm
230nm
280nm
300nm
422nm
500nm
580nm
920nm 180-1100 1.7 2.3 3.2 6.0 12.8 20.0

 

Having established the combination of grating and slit it is then necessary to choose the optimum sensor for your application. OtO offer SmartEngine with 8 standard sensors - each providing a combination of characteristics. SmartEngine's standard model numbers and associated sensors are shown below along with the suggested standard gratings:-

 

Model Sensor Characteristic Dynamic
Range
SNR Spectral Response Range (nm)
DUVN FUV FUVN VNIR NIR1
200
-
1025
180
-
850
180
-
1100
350
-
1020
790
-
1010
SE2020 Sony ILX511B
UV front illuminated CCD
180-1100nm ≥1630 250 * * * * *
SE2030

Hamamatsu S11639
CMOS

Fast exposure

2048-pixel

180-1100nm
Short exposure
High DR/SNR

≥2300 350 * * * * *
SE2040 Sony ILX554B
Front illuminated CCD
200-1025nm
Lowest cost
≥1820 200 ≥275nm     *  
SE2050
SE2052
Hamamatsu S11510
NIR back-thinned CCD
790-1010nm
High SNR
@ NIR
≥3200 500         *
SE2070 Toshiba 1304
High pixel-resolution CCD
200-1025nm
High resolution
≥1600 400 *     * *
SE2080 Hamamatsu S13496
CMOS, fast exposure
200-1025nm
0.4ms exposure
High resolution
≥2000 350 *     * *
SE2090 Hamamatsu S11071
Back-thinned CCD
Fast exposure
180-1100nm
2ms exposure
≥4600 500   *   *  
SE2120

Hamamatsu
X1-CMOS
Fast exposure
1024-pixel

180-1100nm
High sensitivity
High DR
High SNR

4500
 
>3500 @
2.5MHz
430 * * * * *

 

The part number of the final SmartEngine is derived from the choice of Sensor, Slit Width and Grating/Spectral Range, i.e. SE2030-100-DUVN. If a non-standard combination of grating/spectral range is selected a custom designation will be issued

 

For volume opportunities with OEM customers OtO also develop bespoke configurations with custom gratings and slits along with non-standard sensors, optics and interface connections.

 

adobe pdf icon SmartEngine product brief adobe pdf icon SmartEngine data sheet

 

For further information and to discuss your requirement please contact APT.