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SpectraPro HRE

Photonics.com
Nov 2005
Princeton InstrumentsRequest Info
 
For General Spectroscopy Applications and
Laser-Induced Breakdown Spectroscopy
TRENTON, N.J., Nov. 7 -- Princeton Instruments/Acton (PI/Acton), a manufacturer of high-performance, camera and spectrograph-based solutions for the imaging, x-ray, spectroscopy and security markets, announces the release of the new SpectraPro HRE high-resolution echelle spectrograph. The company says the system represents a unique approach to spectrograph design, which is ideally suited for use with PI/Acton’s CCD and ICCD (intensified CCD) camera systems. The SpectraPro HRE achieves high spectral resolution over the entire wavelength range of the camera without any moving parts and can be used for general spectroscopy applications and laser-induced breakdown spectroscopy.

The SpectraPro HRE uses the echelle grating principle, where multiple orders of diffraction are separated by a cross-dispersive prism before they are imaged onto a CCD. The instrument can sample wavelengths ranging from 190-1050 nm continuously without any moving parts. “A large spectral range with picometer resolution can now be obtained without the need for scanning the grating,” said Senior Product Manager Marc D. Neglia. “The HRE can even be configured to image down to 150 nm when required.”

Interchangeable wavelength dispersive elements offer the option of choosing the best resolution and wavelength for any application. Without having to purchase a new spectrograph, the element can be changed to suit a different resolution or wavelength coverage requirement. A wide selection of input apertures can be selected, from as small as 10 µm to as large as 100 µm.

The SpectraPro HRE spectrograph is controlled by WinSpec software, with which the user can choose the desired wavelength interval per point in the spectrum. Example calibration images can be generated to ease the peak selection and calibration can be achieved by using two points on the image of known spectral lines. Once calibrated, spectra can be obtained in real time as the spectral orders are linked, linearized and plotted using the WinSpec snap-in.

For more information, visit: www.piacton.com/products/hre; e-mail: moreinfo@piacton.com

Princeton Instruments/Acton
3660 Quakerbridge Rd.
Trenton, NJ 08619-1208
Phone: (609) 587-9797
Fax: (609) 587-1970
Web site: www.piacton.com



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GLOSSARY
camera
A light-tight box that receives light from an object or scene and focuses it to form an image on a light-sensitive material or a detector. The camera generally contains a lens of variable aperture and a shutter of variable speed to precisely control the exposure. In an electronic imaging system, the camera does not use chemical means to store the image, but takes advantage of the sensitivity of various detectors to different bands of the electromagnetic spectrum. These sensors are transducers...
echelle
A grating that serves to provide higher resolution and dispersion than the average grating, and still has a greater free spectral range than either the Fabry-Perot etalon or the reflection echelon.
photonics
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
spectral
Pertaining to or as a function of wavelength. Spectral quantities are evaluated at a single wavelength.
spectrograph
An optical instrument for forming the spectrum of a light source and recording it on a film. The dispersing medium may be a prism or a diffraction grating. A concave grating requires no other means to form a sharp image of the slit on the film, but a plane grating or a prism requires auxiliary lenses or concave mirrors to act as image-forming means in addition to the dispersing element. Refracting prisms can be used only in parallel light, so a collimating lens is required before the prism and...
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