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Home > Products > Spectroscopy Instruments > Monochromators and Spectrographs > Oriel MS257™ 1/4 m Monochromator and Imaging Spectrograph

Oriel MS257™ 1/4 m Monochromator and Imaging Spectrograph
Oriel MS257™ 1/4 m Monochromator and Imaging Spectrograph
MS257 ¼ Monochromator/Spectrograph with 77529 F/# Matcher mounted to input slit assembly

    • 1/4 m monochromator and imaging spectrograph in one instrument
  • 4 grating turret with automatic grating switching
  • Two flat field output ports with automatic port switching
  • Negligible stray light and no re-entrant spectra
  • RS-232 and optional IEEE-488 interfaces

Product Description Product Detail Specifications Drawings Catalog PDF
Product Description
The MS257™ is a completely automated, efficient 1/4 m instrument, with enough versatility to satisfy most spectroscopy applications. It is an F/3.9 instrument with a focal length of 257.4 mm, usable as a monochromator or true flat field imaging spectrograph. Stray light is negligible, and there is no re-entrant spectra. The MS257 has 2 output ports, 1 input port (with optional accessory can support 2 inputs), and supports 4 gratings.


Ordering Information

MS257 Instruments
 Quantity Model Description Price
  77700 MS257TM 1/4 m Spectrograph / Monochromator 
  77702 MS257TM 1/4 m Imaging Spectrograph / Monochromator 


Grating Mounts (Order Gratings Separately)
 Quantity Model Description Price
  77706 Single Grating Mount 
  77708 Multiple Grating Turret 


Gratings
 Quantity Model Line Density (I/mm) Blaze Wavelength Grating Type Primary Wavelength Region (nm) Instrument's Upper Mechanical Wavelength Limit (for specified grating) Price
  77740 2400 250 Holographic 200 - 700 700 nm 
  77753 1800 500 Holographic 300 - 1050 925 nm 
  77741 1200 250 Holographic 180 - 650 1400 nm 
  77742 1200 350 Ruled 200 - 1400 1400 nm 
  77752 1200 750 Ruled 450 - 1400 1400 nm 
  77743 600 200 Ruled 180 - 500 2800 nm 
  77744 600 400 Ruled 250 - 1300 2800 nm 
  77745 600 1000 Ruled 600 - 2500 2800 nm 
  77767 600 1250 Ruled 750 - 3000 2800 nm 
  77768 600 1600 Ruled 900 - 3000 2800 nm 
  77746 400 1200 Ruled 700 - 2500 4.2 mm 
  77769 400 1600 Ruled 900 - 2900 4.2 mm 
  77747 300 500 Ruled 250 - 1150 5.6 mm 
  77770 300 1000 Ruled 575 - 2500 5.6 mm 
  77748 300 2000 Ruled 1100 - 3400 5.6 mm 
  77771 246.16 226 Ruled 190-450 6.8 mm 
  77749 200 1000 Ruled 600 - 2200 8.4 mm 
  77772 150 300 Ruled 190 - 800 11.2 mm 
  77773 150 800 Ruled 425 - 1600 11.2 mm 
  77774 150 1250 Ruled 725 - 2800 11.2 mm 
  77750 150 4000 Ruled 2500 - 9000 11.2 mm 
  77754 121.6 413 Ruled 250 - 1000 13.8 mm 
  77751 75 7000 Ruled 4500 - 20000 22.4 mm 


Slit Assemblies
 Quantity Model Description Price
  74002 Micrometer Driven Slit Assembly 
  77722 Motor Driven Slit Assembly (requires 77712) 
  77738 Motor Driven Curved Slit Assembly (requires 77712) 
  77712 Motorized Slit Control Board (controls up to three motorized slits) 
  77721 Fixed Slit Holder (order slits separately) 


Fixed Slits
 Quantity Model Description Resolution (nm) Price
  77222 Fixed Slit, 10 µm Width, 2 mm Height 0.10 
  77220 Fixed Slit, 25 µm Width, 3 mm Height 0.15 
  77725 Fixed Slit, 25 µm Width, 6 mm Height 0.15 
  77221 Fixed Slit, 50 µm Width, 3 mm Height 0.25 
  77219 Fixed Slit, 50 µm Width, 6 mm Height 0.25 
  77728 Fixed Slit, 100 µm Width, 3 mm Height 0.45 
  77729 Fixed Slit, 100 µm Width, 10 mm Height 0.45 
  77730 Fixed Slit, 200 µm Width, 3 mm Height 0.8 
  77731 Fixed Slit, 200 µm Width, 10 mm Height 0.8 
  77732 Fixed Slit, 500 µm Width, 15 mm Height 2 
  77733 Fixed Slit, 1000 µm Width, 15 mm Height 4 
  77734 Fixed Slit, 2000 µm Width, 20 mm Height 6 
  77736 Fixed Slit, 1500 µm Width, 15 mm Height 8 
  77735 Fixed Slit, 5000 µm Width, 20 mm Height 20 


Accessories
 Quantity Model Description Price
  77709 Hand Controller 
  77710 IEEE-488 Interface (GPIB) 
  77713 Motorized Flip Mirror, 110 V 
  77765 Motorized Flip Mirror, 220 V 
  77716 Motorized Output Mirror 
  77718 Side Exit Mirror (Fixed) 
  77737 Motorized Filter Wheel 
  77775 MS257 Mounting Kit 
  77715 Double MS257 Monochromator Kit, Subtractive Dispersion Configuration 
  77719 Double MS257 Monochromator Kit, Additive Dispersion Configuration 
  77717 Fast Shutter 
  77755 Background Slow Shutter 
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