Model 219 Spectrometer

The Model 219 is a 0.5 meter, F/8.7, features patented "Corrected-Loci" (US Pat. 3490848) and "SNAP-IN" Grating, (US Pat. 3433557), Vacuum tight housing, 6-inch focusing and 3-inch collimating mirrors and mounts, optics MgF₂ coated, provisions for easily installed monochromator, spectrograph, and polychromator attachments including microchannel plate diode array accessories. Manual drive, including a wavelength counter accurate to ±1Å. Grating holder to accept 50 x 50 mm. plane "SNAP-IN" gratings. Instrument completely assembled and factory aligned with selected optional accessories installed.

Specifications

Focal Length 0.5 meter

Angle between entrance and exit beams 0, 90, or 180 degrees

f / No. 8.7

Wavelength Range 105 nm to 72 um

Grating Size 50 mm x 50 mm

Wavelength Accuracy (with 1200 G/mm grating) +/- 0.1 nm

Wavelength Reproducibility (with 1200 G/mm grating) +/- 0.005 nm

Focal Plane 35 mm x 100 mm film or 2" x 4' plate

Performance

Grating (G/mm) (others available) 2400 1200 600 300 150 75 50 20

Wavelength Range from 105 nm to 600 nm 1.2 um 2.4 um 4.8 um 9.6 um 19.2 um 28.8 um 72 um

First Order Littrow Blaze 150 nm 150 nm 150 nm 1.0 um 2.0 um 8.0 um 18 um 45 um

300 nm 200 nm 300 nm 2.0 um 6.0 um 12.0 um

300 nm 500 nm 3.0 um

500 nm 1.0 um

750 nm 1.6 um

Resolution (nm) at 313.1 nm 0.02 0.04 0.08 0.16 0.32 0.64 0.96 2.4

Dispersion (nm/mm) 0.83 1.66 3.33 6.66 13.3 26.6 40 100

Wavelength Range at Focal Plane nm 84 168 336 672 1344 2688 4032 10080

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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Focal Length	0.5 meter
Angle between entrance and exit beams	0, 90, or 180 degrees
f / No.	8.7
Wavelength Range	105 nm to 72 um
Grating Size	50 mm x 50 mm
Wavelength Accuracy (with 1200 G/mm grating)	+/- 0.1 nm
Wavelength Reproducibility (with 1200 G/mm grating)	+/- 0.005 nm
Focal Plane	35 mm x 100 mm film or 2" x 4' plate

Grating (G/mm) (others available)	2400	1200	600	300	150	75	50	20

Wavelength Range from 105 nm to	600 nm	1.2 um	2.4 um	4.8 um	9.6 um	19.2 um	28.8 um	72 um



First Order Littrow Blaze	150 nm	150 nm	150 nm	1.0 um	2.0 um	8.0 um	18 um	45 um
	300 nm	200 nm	300 nm	2.0 um	6.0 um	12.0 um
		300 nm	500 nm	3.0 um
		500 nm	1.0 um
		750 nm	1.6 um



Resolution (nm) at 313.1 nm	0.02	0.04	0.08	0.16	0.32	0.64	0.96	2.4

Dispersion (nm/mm)	0.83	1.66	3.33	6.66	13.3	26.6	40	100

Wavelength Range at Focal Plane nm	84	168	336	672	1344	2688	4032	10080