Model 270 Spectrometer

Features

Bidirectional stepping motor
Easy grating interchange
Stepping rates from 0.005 to 2.0 nm per second
Remote Drive Capability
Corrected Optical system
Continuously variable slits

Specifications
Focal Length
0.35 m

Angle between beams
180

f / number
6.4

Grating (G/mm)
2400

1800
1200

600
300

150
75

50

Wavelength Range (nm) 185 to
500
185 to
670
185 to
1 um
185 to
2 um
185 to
4 um
185 to
8 um
185 to
16 um
185 to
24 um

First order
Littrow Blaze
Holog Holog 250nm
500nm
750nm
Holog
1 um
Holog
2 um 4 um 8 um
10 um
12 um
12 um
18 um

Resolution (nm)
0.015

0.020
0.030

0.060
0.120

0.240
0.480

0.720

Dispersion (nm/mm)
1

1.5
2

4
8

16
32

48

Grating Size (mm)
48x48

Wavelength Accuracy
+/-0.1 nm

Wavelength Reproduc
+/- .005nm

**Specifications**
Focal Length	0.35 m
Angle between beams	180
f / number	6.4
Grating (G/mm)	2400	1800	1200	600	300	150	75	50
Wavelength Range (nm)	185 to 500	185 to 670	185 to 1 um	185 to 2 um	185 to 4 um	185 to 8 um	185 to 16 um	185 to 24 um
First order Littrow Blaze	Holog	Holog	250nm 500nm 750nm Holog	1 um Holog	2 um	4 um	8 um 10 um 12 um	12 um 18 um
Resolution (nm)	0.015	0.020	0.030	0.060	0.120	0.240	0.480	0.720
Dispersion (nm/mm)	1	1.5	2	4	8	16	32	48
Grating Size (mm)	48x48
Wavelength Accuracy	+/-0.1 nm
Wavelength Reproduc	+/- .005nm

McPherson, Inc.

7A Stuart Road, Chelmsford, MA 01824

Telephone (978) 256-4512 Fax (978) 250-8625 E-Mail mcp@mcphersoninc.com

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