IFS 125HR High Resolution FTIR Spectrometer
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Catalog excerpts

IFS 125HR  High Resolution FTIR Spectrometer - 1

• IFS 125HR High Resolution FTIR Spectrometer The new IFS 125HR FTIR spectrometer is the successor to the established worldwide reference for high resolution measurement from the Far-IR to the UV, the IFS 120HR. Outstanding resolution across the entire spectrum Resolved linewidth of < 0.0009 cm-1 Broad spectral range: from 5 cm-1 in the far-IR to >50,000 cm-1 in UV Double-sided interferogram acquisition up to 50 cm OPD Vacuum optics bench evacuable < 0.02 hPa (mbar) Easy detector and range change The Bruker IFS 125HR FTIR spectrometer offers the highest resolution available over a wide wavelength range from 5 cm-1 in the Far-IR to 50,000 cm-1 in the UV. Each component of the new IFS 125HR is optimized to approach the theoretical limit of sensitivity. The scanner allows collection of data at very high resolution without beam folding. With the improved electronics, free running delta-sigma 24 bit ADC and Ethernet TCP/IP connectivity, the IFS 125HR provides the performance that any demanding application may need. Automatic detector-, beamsplitter- and accessory recognition assists the user in setting-up experiments. The spectrometer is completely controlled by the user-friendly OPUS software running on a Windows™ PC. Studies of physical-chemical primary processes require very high spectral resolution to derive the true molecular quantum motion from the absorption spectra. In addition, high resolution FTIR spectroscopy is ideal for investigating changes in stratospheric gas concentrations due to its sensitivity and selectivity. Application examples ■ Structure analysis of gaseous molecules at low pressure ■ Low temperature measurements on solids ■ Magneto-optical splitting on semiconductor material ■ Emission of high temperature gases ■ Environmental atmosphere analysis Innovation with Integrity

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IFS 125HR  High Resolution FTIR Spectrometer - 2

Longer bearing assemblies can be substituted to achieve higher resolution. Up to 4 internal and 2 external detectors can be mounted on the IFS 125HR. The Interferometer The permanently aligned interferometer has a 30° angle-of-incidence. The narrow angleof-incidence makes more effective use of the beamsplitter in addition to reducing beam polarization effects. The beam is split to the fixed and moving cube-corner retroreflectors of the modified Michelson interferometer. The moving mirror is translated on a hybrid bearing whose design ensures beam integrity over the extremely long optical...

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