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II: SP-750i Specifications
3
NOTE: Each SP-750i is operated for at least 15 minutes prior to
calibration to insure optimum stability. End users should
follow this practice if their application calls for optimum
stability & reproducibility.
Specifications (1200g/mm Grating)
Focal length: 750mm
Aperture Ratio: f/6.5 (68x68mm gratings)
Optical Design: Imaging Czerny-Turner with
original polished aspheric mirrors
Optical Paths: 90° standard, 180° and
multi-port optional
Scan Range: 0 to 1400nm mechanical
range
Operating Range: 185nm to the far infrared
with available gratings and accessories
Resolution: 0.05nm at 435.8nm
Dispersion: 1.7nm/mm (nominal)
Accuracy: ±0.2nm
Repeatability: ±0.05nm
Drive Step Size: 0.0025nm (nominal)
Focal Plane Size: 27mm wide x 14mm high
CCD Focus Arrangement: Exclusive o-ring
sealed sliding tube with unique 3-point focus
stop/fine focus adjustment mechanism.
Detector Coverage: ~42.5nm across a 1.0”
wide focal plane (~85nm: 600g/mm grating)
Standard Slits: Micrometer adjustable from
10µm to 3mm wide. Slit heights: 4 & 14mm
Grating Mount: Triple grating turret for 1, 2,
or 3 gratings.
Interchangeable Grating Turrets: Optional
Grating Change Time: Less than 20 seconds
Grating Drive System: 32-bit microprocessor
controlled direct digital scanning (DDS)
system.
Scan Linearity: The SP-750i scans
linear with respect to wavelength
Size: 21” long (534mm)
11” wide (280mm)
8” high (203mm)
4.875” (123.8mm) optical axis height
Weight: 40 lbs (18kg)
Tested and conforms to European CE
Standards
Every SP-750i monochromator or spectrograph
includes a triple grating turret for 1, 2, or 3 gratings,
an imaging optical system, 32-bit microprocessor
controlled scanning, built-in RS232 and IEEE488
interfaces, and micrometer controlled entrance slit
(optional second entrance slit available).
Includes 90° optical path, and micrometer
adjustable entrance and exit slits.
Model SP-555 Monochromator
Exit
Slit
Entrance
Slit
Triple
Grating
Turret
Optional
Entrance
Slit
Includes 90° optical path, large 14mm X
27mm focal plane, plus sliding tube CCD
adapter with focus-stop.
Model SP-556 Spectrograph
CCD
Port
Entrance
Slit
Triple
Grating
Turret
Optional
Entrance
Slit
Includes micrometer controlled dual exit
slits (90 & 180°), and motorized mirror for
rapid, computer controlled exit slit selec-
tion.
Model SP-557
Dual Exit Port Monochromator
Triple
Grating
Turret
Two
Exit
Slits
Entrance
Slit
Motorized
Mirror
Includes dual exit ports; one exit slit and
one sliding tube CCD adapter with motor-
ized mirror for rapid, computer controlled
exit port selection.
Optional
Entrance
Slit
Model SP-558
Monochromator/Spectrograph
Exit
Slit
Entrance
Slit
CCD
Port
Motorized
Mirror
Triple
Grating
Turret
Optional
Entrance
Slit