Scanning Mini-Chrom Monochromator

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Optometrics

Optometrics Scanning Monochromator

The Scanning Mini-Chrom Monochromator (SMC) is designed to be driven by stepping or servo controlled motors. No direct visual wavelength readout is provided. All models utilize a precision lead screw/sine bar mechanism to rotate the diffraction grating which sequentially positions the selected wavelength(s) at the exit slit. Rotation of the drive shaft in a clockwise direction proportionately increases the wavelength at the exit slit.

Applications

Scanning Mini-Chroms are used in applications requiring either single or repetitive scans of wavelength intervals or the sequential selection of discrete wavelengths. To prevent mechanical damage due to inadvertently exceeding wavelength limits, all Scanning Mini-Chroms are supplied with dual photosensors that function as high and low limit switches.

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Reflecting Transmitting Ratio

Cut-On Wavelength

Cut-Off Wavelength

CWL

FWHM

Grooves per mm

Blaze

Groove Angle

Dispersion at Blaze

Dispersion at 250 nm

Dispersion at 500 nm

Operating Range

Substrate

Size (mm)

Thickness

Clear Aperture

Mount

Damage Threshold Pulsed Laser

Damage Threshold CW Laser

Input Voltage

Operating Range	190 – 650 nm	f Number	3.9
Focal Length	74 mm	Beam Path	In Line
Resolution with 50μ slits	0.27 nm	Resolution with 100μ slits	0.53 nm
Resolution with 150μ slits	0.80 nm	Resolution with 300μ slits	1.60 nm
Resolution with 600μ slits	3.21 nm	Resolution with 1 mm slits	5.34 nm
Grating Type	Holographic	Grating Density	2400 grooves/mm
Grating Blaze Wavelength	250 nm	Grating Size	2 cm2
Stray Light	≤ 0.003%	Wvelength Accuracy	± 0.2% of λ
Wavelength Reproducibility	± 0.15%	Wavelength Readability	0.2 nm
Drive Hystersis	3.6° typical; 14° maximum	Operating Temperature Range	-20° C to +80° C
Damage Threshold: Pulsed laser	350 mJ/cm², 200 nano sec. pulse	Damage Threshold: CW laser	40 Watt/cm²
Dimensions (mm)	95 L X 59 W X 49 H	Weight	0.45 Kg (1.0 lbs.)

Operating Range	200 – 800 nm	f Number	3.9
Focal Length	74 mm	Beam Path	In Line
Resolution with 50μ slits	0.36 nm	Resolution with 100μ slits	0.73 nm
Resolution with 150μ slits	1.09 nm	Resolution with 300μ slits	2.18 nm
Resolution with 600μ slits	4.36 nm	Resolution with 1 mm slits	7.27 nm
Grating Type	Holographic	Grating Density	1800 grooves/mm
Grating Blaze Wavelength	250 nm	Grating Size	2 cm2
Stray Light	≤ 0.003%	Wvelength Accuracy	± 0.2% of λ
Wavelength Reproducibility	± 0.15%	Wavelength Readability	0.2 nm
Drive Hystersis	3.6° typical; 14° maximum	Operating Temperature Range	-20° C to +80° C
Damage Threshold: Pulsed laser	350 mJ/cm², 200 nano sec. pulse	Damage Threshold: CW laser	40 Watt/cm²
Dimensions (mm)	95 L X 59 W X 49 H	Weight	0.45 Kg (1.0 lbs.)

Operating Range	300 – 800 nm	f Number	3.9
Focal Length	74 mm	Beam Path	In Line
Resolution with 50μ slits	0.36 nm	Resolution with 100μ slits	0.73 nm
Resolution with 150μ slits	1.09 nm	Resolution with 300μ slits	2.18 nm
Resolution with 600μ slits	4.36 nm	Resolution with 1 mm slits	7.27 nm
Grating Type	Holographic	Grating Density	1800 grooves/mm
Grating Blaze Wavelength	500 nm	Grating Size	2 cm2
Stray Light	≤ 0.003%	Wvelength Accuracy	± 0.2% of λ
Wavelength Reproducibility	± 0.15%	Wavelength Readability	0.2 nm
Drive Hystersis	3.6° typical; 14° maximum	Operating Temperature Range	-20° C to +80° C
Damage Threshold: Pulsed laser	350 mJ/cm², 200 nano sec. pulse	Damage Threshold: CW laser	40 Watt/cm²
Dimensions (mm)	95 L X 59 W X 49 H	Weight	0.45 Kg (1.0 lbs.)

Operating Range	360 – 800 nm	f Number	3.9
Focal Length	74 mm	Beam Path	In Line
Resolution with 50μ slits	0.6 nm	Resolution with 100μ slits	1.1 nm
Resolution with 150μ slits	1.7 nm	Resolution with 300μ slits	3.3 nm
Resolution with 600μ slits	6.7 nm	Resolution with 1 mm slits	11.2 nm
Grating Type	Ruled	Grating Density	1200 grooves/mm
Grating Blaze Wavelength	400 nm	Grating Size	2 cm2
Stray Light	≤ 0.02%	Wvelength Accuracy	± 0.2% of λ
Wavelength Reproducibility	± 0.15%	Wavelength Readability	0.2 nm
Drive Hystersis	3.6° typical; 14° maximum	Operating Temperature Range	-20° C to +80° C
Damage Threshold: Pulsed laser	350 mJ/cm², 200 nano sec. pulse	Damage Threshold: CW laser	40 Watt/cm²
Dimensions (mm)	95 L X 59 W X 49 H	Weight	0.45 Kg (1.0 lbs.)

Operating Range	420 nm – 1.15 μ	f Number	3.9
Focal Length	74 mm	Beam Path	In Line
Resolution with 50μ slits	0.53 nm	Resolution with 100μ slits	1.06 nm
Resolution with 150μ slits	1.59 nm	Resolution with 300μ slits	3.19 nm
Resolution with 600μ slits	6.37 nm	Resolution with 1 mm slits	10.62 nm
Grating Type	Ruled	Grating Density	1200 grooves/mm
Grating Blaze Wavelength	750 nm	Grating Size	2 cm2
Stray Light	≤ 0.02%	Wvelength Accuracy	± 0.2% of λ
Wavelength Reproducibility	± 0.15%	Wavelength Readability	0.2 nm
Drive Hystersis	3.6° typical; 14° maximum	Operating Temperature Range	-20° C to +80° C
Damage Threshold: Pulsed laser	350 mJ/cm², 200 nano sec. pulse	Damage Threshold: CW laser	40 Watt/cm²
Dimensions (mm)	95 L X 59 W X 49 H	Weight	0.45 Kg (1.0 lbs.)

Operating Range	500 nm – 1.2 μ	f Number	3.9
Focal Length	74 mm	Beam Path	In Line
Resolution with 50μ slits	0.53 nm	Resolution with 100μ slits	1.06 nm
Resolution with 150μ slits	1.59 nm	Resolution with 300μ slits	3.19 nm
Resolution with 600μ slits	6.37 nm	Resolution with 1 mm slits	10.62 nm
Grating Type	Ruled	Grating Density	1200 grooves/mm
Grating Blaze Wavelength	750 nm	Grating Size	2 cm2
Stray Light	≤ 0.02%	Wvelength Accuracy	± 0.2% of λ
Wavelength Reproducibility	± 0.15%	Wavelength Readability	0.2 nm
Drive Hystersis	3.6° typical; 14° maximum	Operating Temperature Range	-20° C to +80° C
Damage Threshold: Pulsed laser	350 mJ/cm², 200 nano sec. pulse	Damage Threshold: CW laser	40 Watt/cm²
Dimensions (mm)	95 L X 59 W X 49 H	Weight	0.45 Kg (1.0 lbs.)

Operating Range	750 nm – 1.7 μ	f Number	3.9
Focal Length	74 mm	Beam Path	In Line
Resolution with 50μ slits	0.77 nm	Resolution with 100μ slits	1.54 nm
Resolution with 150μ slits	2.31 nm	Resolution with 300μ slits	4.62 nm
Resolution with 600μ slits	9.24 nm	Resolution with 1 mm slits	15.40 nm
Grating Type	Ruled	Grating Density	830 grooves/mm
Grating Blaze Wavelength	1.2 µ	Grating Size	2 cm2
Stray Light	≤ 0.02%	Wvelength Accuracy	± 0.2% of λ
Wavelength Reproducibility	± 0.15%	Wavelength Readability	0.2 nm
Drive Hystersis	3.6° typical; 14° maximum	Operating Temperature Range	-20° C to +80° C
Damage Threshold: Pulsed laser	350 mJ/cm², 200 nano sec. pulse	Damage Threshold: CW laser	40 Watt/cm²
Dimensions (mm)	95 L X 59 W X 49 H	Weight	0.45 Kg (1.0 lbs.)

Operating Range	850 nm – 2.2 μ	f Number	3.9
Focal Length	74 mm	Beam Path	In Line
Resolution with 50μ slits	1.08 nm	Resolution with 100μ slits	2.17 nm
Resolution with 150μ slits	3.25 nm	Resolution with 300μ slits	6.50 nm
Resolution with 600μ slits	13.00 nm	Resolution with 1 mm slits	21.67 nm
Grating Type	Ruled	Grating Density	600 grooves/mm
Grating Blaze Wavelength	1.6 µ	Grating Size	2 cm2
Stray Light	≤ 0.02%	Wvelength Accuracy	± 0.2% of λ
Wavelength Reproducibility	± 0.15%	Wavelength Readability	0.2 nm
Drive Hystersis	3.6° typical; 14° maximum	Operating Temperature Range	-20° C to +80° C
Damage Threshold: Pulsed laser	350 mJ/cm², 200 nano sec. pulse	Damage Threshold: CW laser	40 Watt/cm²
Dimensions (mm)	95 L X 59 W X 49 H	Weight	0.45 Kg (1.0 lbs.)

Scanning Mini-Chrom Monochromator

Optometrics

Optometrics Scanning Monochromator

Product SKUs

Product Listing

Scanning Monochromator, 190 – 650 nm

Scanning Monochromator, 200 – 800 nm

Scanning Monochromator, 300 – 800 nm

Scanning Monochromator, 360 – 800 nm

Scanning Monochromator, 420 nm – 1.15 μ

Scanning Monochromator, 500 nm – 1.2 μ

Scanning Monochromator, 750 nm – 1.7 μ

Scanning Monochromator, 850 nm – 2.2 μ