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HR4000CG Spectrometer: UV-NIR

200-1100 nm Range, I Sample Spectrum

0.75 nm Resolution

An irrad-iance

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^WHR^h40^h00CG.

The HR4000CG

Composite-grating

Spectrometer utilizes a

proprietary grating and "

order-sorting filter to

provide a 200-1100 nm

wavelength range and 0.75

optical resolution (FWHM). The

revolutionary HR4000CG is a

18001600 ' 1400 12001000 ¹ 800 600400

200 0

300 400 500 600 700 800 900 1000

preconfigured HR4000

Spectrometer — where all of the

optical bench options are

already selected for you.

WAVELENGTH (nm)

Sample Spectrum

Composite-grating & Order-sorting Filter

The HR4000CG uses the HC-1 grating, which is a revolutionary and proprietary variable blazed grating designed to provide a 200-1100 nm wavelength range. (Though the spectrometer is configured for 200-1100 nm, its best efficiency is from 200-1 050 nm. See the grating efficiency curve for the HC-1 on page 23.) In addition to this new composite grating, the HR4000CG has an OFLV-200-1100 variable longpass order-sorting filter to eliminate second- and third-order effects. Both are installed

TJ CD 0 ct 1 0

CD ^cCD 1

700

600-

500

400300

200100

200 300 ^00 500 600 700 800 900 1000

WAVELENGTH (nm)

CD <

^cCD

3 CD

the time of manufacture and are fixed in place.

A solar irradiance spectrum taken with the HR4000CG.



	PHYSICAL
	Dimensions:	148.6 mm x 104.8 mm x 45.1 mm
	Weight:	570 g
	DETECTOR
	Detector:	Toshiba TCD1304AP linear CCD array (page 24)
	Pixels:	3648 pixels, pixel size of 8 urn x 200 urn
	Pixel well depth:	~100,000 electrons
	Sensitivity:	130 photons/count at 400 nm; 60 photons/count at 600 nm
	OPTICAL BENCH
	Design:	f/4, Symmetrical crossed Czerny-Turner
	Focal length:	101.6 mm input, 101.6 mm output
	Entrance aperture:	5 urn wide slit (page 22)
	Grating:	HC-1, 300 lines per mm grating (page 23)
	Order-sorting filters:	Installed OFLV-200-1100 (page 24)
	Fiber optic connector: SMA 905 to 0.22 numerical aperture single-strand fiber
	SPECTROSCOPIC
	Wavelength range:	200-1100 nm, best efficiency 200-1050 nm
	Optical resolution:	0.75 nm FWHM
	Signal-to-noise ratio: 300:1 (at full signal)
	Dark noise:	12 RMS counts
	Dynamic range:	2 x 10⁸ (system); 1300:1 for a single acquisition
	Integration time:	3.8 ms to 10 seconds
	ELECTRONICS
	Power consumption: 450 mA @ 5 VDC
	Data transfer speed: Full spectrum to memory every 4 ms with USB 2.0 port, 18 ms with USB 1.1 port
	Inputs/Outputs:	10 onboard digital user-programmable GPIOs*
	Analog channels:	One 13-bit analog input, One 9-bit analog output

CD ^cc

TJ CD

Optical Bench

The HR4000CG Spectrometer uses the "HR" Optical Bench, comes with a 5 /vm entrance slit, and has a UV4 Detector Upgrade to enhance the performance of the spectrometer in

the UV. The HR4000CG is an upgrade from the

HR2000CG. The HR4000CG comes with a 3648-element linear-array Ccd detector that provides better optical resolution throughout the UV-NIR range.

USB 2.0 Compatibility and New Digital I/Os

The HR4000CG interfaces to a PC via a USB port. Software reads programmed data unique to each spectrometer for easy setup. The HR4000CG also offers 10 user-programmable digital inputs/outputs, 1 analog input and 1 analog output. HR4000CG-UV-NIR: $4,999

_USB port; any 32-bit Windows OS using serial port

* Programming the GPIOs requires SpectraSuite or OmniDriver. See pages 80-82 for details.

Tei: 72"7'.733.244'7 • Email: Info@OceanOptics.com