All-new HR4000CG-UV-NIR Covers 200-1100 nm at 0.5 nm Resolution (FWHM)

Dunedin, Fla., March 2004 -- The Ocean Optics HR4000CG-UV-NIR High-resolution Miniature Fiber Optic Spectrometer enables users to perform multi-wavelength analysis over a broad 200-1100 nm spectral range. Featuring a new 3648-element CCD-array detector, the HR4000CG-UV-NIR enables optical resolution to 0.5 nm (FWHM) and a signal-to-noise of 2500:1. Available for $3,999, the pre-configured spectrometer is ideal for a variety of irradiance, emission, absorbance/transmission and reflectance measurements.

The HR4000CG-UV-NIR’s electronics have been designed for considerable flexibility in connecting to various modules and external interfaces – including PCs, PLCs and other embedded controllers – through USB 2.0 or RS-232 communications. The HR4000CG-UV-NIR combines a host of innovative features that include:

• Enhanced software-controlled triggering and timing functions
• User-programmable I²C and SPI buses for enhanced interfacing to external peripherals. Ideal for OEM integration
• Programmable digital and analog I/Os for higher application-level and accessory integration
• A programmable pulse generator for triggering other devices
• USB 2.0 technology – sends full spectral scans into a PC’s memory every 4 milliseconds.

The modular HR4000CG-UV-NIR uses a proprietary HC-1 Landis Grating, an OFLV Order-sorting Filter, and a new 3648-element detector to achieve its broad-range, high-resolution capabilities. Developed by Ocean Optics engineers, the HC-1 Grating is an innovative, variable-blazed grating designed to efficiently disperse light from 200-1100 nm. The OFLV Order-sorting Filter, one of Ocean Optics’ many unique filtering technologies, is attached directly to the window of the spectrometer’s detector to eliminate second- and third-order effects.

The HR4000CG-UV-NIR can be combined with Ocean Optics light sources, sampling accessories, optical fiber and software to create complete UV-NIR systems.

The HR4000CG-UV-NIR is a Plug-and-Play USB 2.0 device that interfaces to a PC via a USB port or an RS-232 port. When interfaced to a PC via the USB port, the HR4000CG-UV-NIR is powered from the PC and does not need an external power supply. If operated using the RS-232 interface, a single +5 VDC power supply is required. The unit automatically selects between USB 1.1 and USB 2.0 protocols, depending on the user’s computer configuration.

An onboard microcontroller allows for control of the spectrometer’s operating parameters through software. Wavelength calibration coefficients unique to each spectrometer are programmed into a memory chip on the spectrometer and are read directly into operating software when the spectrometer is connected via the USB port.

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