Double Additive/Subtractive Monochromator
Standa
Double Additive/Subtractive Monochromator
Double Additive/Subtractive Monochromator
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STANDA in Lithuania
STANDA P.BOX 2684 , 03001 Vilnius 9 P.O., Lithuania
Phone +370 5 2651474, Fax +370 5 2651483
E-mail: sales@standa.LT
   
Standa in the World
   
 
MSA-130 - Double Additive/Subtractive Monochromator
Double Additive/Subtractive Monochromator
Printable version
Datasheet
Monochromator
Just turn the knob to switch between two operation modes!
Double monochromator for Excellent Stray Light Rejection
Subtraction & Addition Modes
Compact & Economical
High Throughput
 
 

Main feature of the MSA-130 Monochromator is its capability to operate in the modes of both addition and subtraction of dispersions. It is , the only instrument in the word capable to provide both modes without any additional alignment and calibration. Addition and Subtraction modes are exchanged by manual switching of a selector knob from the position “Addition” to “Subtraction” and vice versa.

In the Dispersion Addition Mode MSA-130 has effective focal length of 260 nm and extremely low stray light caused by an intermediate slit and carefully calculated optical design.

In the Dispersion Subtraction Mode MSA-130 serves as a tunable low-stray-light-filter with pass band variable from 0.2nm to 80 nm. Zero-dispersion spectral range separated by the MSA-130 is determined by the intermediate slit. Central wavelength is set from a computer by synchronous turning of two identical diffraction gratings. Input, intermediate and exit slits have manual control and smooth micrometrical adjustment of the opening width.

The MSA-130 Monochromator software allows calculating the FWHM in the both operating modes depending on the set widths of input, intermediate and exit slits.

Both input and output ports of the MSA-130 can be equipped with AFA Aperture Matching System ensuring input and output to be made using optical fibers.
Aperture Matching Adapter AFA Designed to match apertures of an optical fiber and monochromators M266/M833/MSA-130 in order to minimize radiation losses and light scattered in the system. Contains two achromatic objectives, SMA-905 connector. Possibility of axial alignment of the fiber end and of the distance between objectives will ensure effective use of the adapter with a monochromator you already have in your laboratory (F# from 1: 3.5 to 1: 8).

Optical schematic Modified Czemy-Turner double monochromator supplemented with an optical matching unit providing either additive or subtractive dispersion
Focal Length, mm
   -1st monochromator, collimating mirror
   -1st monochromator, focusing mirror
   -2nd monochromator, collimating mirror
   -2nd monochromator, focusing mirror

130
142
142
130
Ports 1 input, 1 output
F/Number 1 : 4.5
Entrance & Exit slits
   Slit width
   Slit height
   Parallelism
   Micrometer reading accuracy
Micrometric
adjustable from 0 to 2.0 mm
12 mm
+/- 1 mkm
+/- 1 mkm
Intermediate slit
   Slit width
   Slit height
   Parallelism
   Micrometer reading accuracy
Micrometric
adjustable from 0 to 5.0 mm
12 mm
+/- 1 mkm
+/- 1 mkm
GRATINGS * Interchangeable, 2 pairs supplied with the instrument
Number of grooves per mm
Grating size
Blazing wavelength
Usable wavelength range**
Scanning wavelength range
1200
25 x 25 x 8 mm
280 nm
190-650 nm
0 - 760 nm
600
25 x 25 x 8 mm
600 nm
385-1300 nm
0 - 1300 nm
WAVELENGTH
Reciprocal Dispersion (average) of the first monochromator
Wavelength accuracy
Wavelength repeatability
Wavelength step size
Wavelength scan speed
Wavelength resolution

5.8 nm/mm
+/- 0.15 nm
+/- 0.05 nm
0.01 nm
19 nm/s
0.07 nm

11.6 nm/mm
+/- 0.25 nm
+/- 0.1 nm
0.02 nm
38 nm/s
0.14 nm
Dispersion Addition Mode
Reciprocal dispersion (average)
Width of the selected spectral range

3.0 nm/mm
0.2 - 6 nm

6.0 nm/mm
0.4- 12 nm
Dispersion Subtraction Mode
Reciprocal dispersion
Width of the selected spectral range
Width of 25 mkm-Entrance slit image
   -with 2.5 mm intermediate slit
   -with 5.0 mm intermediate slit

0
0.2 - 40 nm

32 mkm
43 mkm

0
0.4 - 80 nm

32 mkm
43 mkm
Stray Light 10-9
Computer Interface High Speed USB
Electrical Service Requirement Single phase main 85 - 264 VAC; 47-63 Hz
Dimensions and weight 265 x 195 x 210 mm, 8 kg
* diffraction gratings with other grooves per mm number are available
** the usable wavelength range covers wavelength where the grating efficiency is more than 0.3.


 
Ordering Information
Model  
MSA-130
 
 
 
 
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