Products: TriVista Triple Spectrometers
Unmatched Performance and Flexibility
TriVista triple spectrometers are true research-grade instruments delivering performance and flexibility unmatched in the industry. At the heart of TriVista are industry leading Acton SpectraPro series spectrometers, known for superb resolution, stray light suppression, excellent imaging and ruggedness. Direct drive technology provides the ultimate in precision movement while rigid construction provides the rock solid accuracy and repeatability researchers have come to expect from Princeton Instruments.
TriVista can operate from 200 nm up to 2.2μm. Spectral resolution can be as low as 3 picometers over the entire range. Extreme stray light rejection allows Raman spectra to be captured as close as 5 wavenumbers from the Rayleigh line.
Designed to solve critical spectroscopy applications requiring high-resolution and stray light reduction, the TriVista system provides researchers with the most flexible and high-performance system on the market today. TriVista is a triple spectrometer that can operate in either additive mode for high resolution experiments or in subtractive mode for extreme stray light rejection.
With TriVista's multiple entrance and exit ports, researchers can configure several different experiments such as UV Raman or photoluminescence and be able to switch between them via software control. The use of multiple laser wavelengths makes the TriVista a cost effective flexible tool for any Raman or multi-experiment lab.
Applications for TriVista spectrometers include:
- Raman spectroscopy
TriVista offers excellent spectral resolution in additive mode. Data taken with TriVista 555.
Suberb Stray Light Rejection in Subtractive Mode. Data taken with TriVista 555.
TriVista Triple Grating Spectrometers model comparison and datasheets
|Model||Focal Length||Aperture Ratio||Spectral Resolution*||Dispersion*|
1500 mm (A)
500 mm (S)
0.21 cm-1 (A)
0.6 cm-1 (S)
37 cm-1 /mm (A)
12.5 cm-1 /mm (S)
1750 mm (A)
750 mm (S)
0.17 cm-1 (A)
0.4 cm-1 (S)
34 cm-1 /mm (A)
8.5 cm-1 /mm (S)
2250 mm (A)
750 mm (S)
0.13 cm-1 (A)
0.4 cm-1 (S)
26 cm-1 /mm (A)
8.5 cm-1 /mm (S)
|DM55||1000 mm (A)||f/6.5||0.29 cm-1 (A)||49 cm-1/mm (A)|
|DM77||1500 mm (A)||f/9.7||0.21 cm-1 (A)||37 cm-1/mm (A)|
*with 1800g/mm grating at 500nm
A - Additive Mode
S - Subtractive Mode
Single configuration - all three stages can be used simultaneously and independently for three different projects.
FIg 1B and 1C
Typically, the TriVista is utilized as a double or triple system. When the light beam is passed sequentially through 2 or 3 stages and the gratings coherently move together with very high precision. Some common reasons researchers choose a double or triple system are the high spectral resolution and the high stray light rejection.
These important parameters can be accomplished by utilizing different modes of TriVista operation:
1. Additive mode gives high spectral resolution and high linear dispersion.
2. Subtractive mode gives high stray light rejection.
Tip-Enhanced Raman Spectroscopy
TERS - Tip-Enhanced Raman spectroscopy
Surface-Enhanced Raman Spectroscopy
SERS - Surface-enhanced Raman spectroscopy
Resonance Raman Spectroscopy
Instead of fluorescence, some types of colored molecules produce strong Raman scattering at certain conditions. This effect was called Resonance Raman.
X-ray absorption spectroscopy is an element-specific probe of the local structure of elements in a material.
Stimulated Raman Scattering
Stimulated Raman scattering takes place when an excess of Stokes photons that were previously generated by normal Raman scattering are present or are deliberately added to the excitation beam.
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