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Anasys Instruments Corporation tunable ir quantum cascade laser (qcl)
Tunable Ir Quantum Cascade Laser (Qcl), supplied by Anasys Instruments Corporation, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/tunable+ir+quantum+cascade+laser+(qcl)/tunable+quantum+cascade+laser++qcl+/pmc04976327-176-23-11
Average 90 stars, based on 1 article reviews
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Article Title: 80th Annual Meeting of the Meteoritical Society (2017)
Article Snippet: Nano-IR/AFM-IR: The nano-IR results reported here were taken with an Anasys AFM-IR (nanoIR-2) instrument illuminated with a broadly tunable IR Quantum Cascade Laser (QCL).

Article Title: Nanoscale studies link amyloid maturity with polyglutamine diseases onset
Article Snippet: For all the nanoscale IR measurements, we used a nanoIR2 platform (Anasys, USA), which combines high resolution and low noise AFM with a tunable IR Quantum Cascade laser (QCL).



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( a ) Schematics of IR nano-spectroscopy using AFM–IR: pulses of IR radiation emitted by an IR QCL (output range: 1,460–1,780 cm −1 , swept by a step size: 1 cm −1 ) were used to illuminate the sample, causing a rapid thermal expansion of silk nanostructures due to local absorption enhancement at various stages picked by the AFM tip, corresponding to the absorption spectroscopic signatures. ( b , c ) The AFM–IR spectra on amorphous and crystalline silk thin films are consistent with the conventional bulk FTIR spectra. ( d , e ) Spectra of a crystalline silk thin film with embedded amorphous silk nanopatterns of ∼30 nm fabricated using EBL, characterized by attenuated total reflection IR (ATR-IR) and AFM–IR, respectively. AFM–IR offers a considerable advancement ( × ∼1,000improvement spatially) in distinguishing nanoscale structural heterogeneity. ( f ) AFM–IR spectra of electron-induced structural transitions in silk proteins. PSD, position sensing detectors; PZT, lead zirconate titanate (Pb[Zr x Ti 1-x ]O3); EC- QCL, external cavity <t>quantum</t> <t>cascade</t> <t>laser.</t>
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( a ) Schematics of IR nano-spectroscopy using AFM–IR: pulses of IR radiation emitted by an IR QCL (output range: 1,460–1,780 cm −1 , swept by a step size: 1 cm −1 ) were used to illuminate the sample, causing a rapid thermal expansion of silk nanostructures due to local absorption enhancement at various stages picked by the AFM tip, corresponding to the absorption spectroscopic signatures. ( b , c ) The AFM–IR spectra on amorphous and crystalline silk thin films are consistent with the conventional bulk FTIR spectra. ( d , e ) Spectra of a crystalline silk thin film with embedded amorphous silk nanopatterns of ∼30 nm fabricated using EBL, characterized by attenuated total reflection IR (ATR-IR) and AFM–IR, respectively. AFM–IR offers a considerable advancement ( × ∼1,000improvement spatially) in distinguishing nanoscale structural heterogeneity. ( f ) AFM–IR spectra of electron-induced structural transitions in silk proteins. PSD, position sensing detectors; PZT, lead zirconate titanate (Pb[Zr x Ti 1-x ]O3); EC- QCL, external cavity <t>quantum</t> <t>cascade</t> <t>laser.</t>
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( a ) Schematics of IR nano-spectroscopy using AFM–IR: pulses of IR radiation emitted by an IR QCL (output range: 1,460–1,780 cm −1 , swept by a step size: 1 cm −1 ) were used to illuminate the sample, causing a rapid thermal expansion of silk nanostructures due to local absorption enhancement at various stages picked by the AFM tip, corresponding to the absorption spectroscopic signatures. ( b , c ) The AFM–IR spectra on amorphous and crystalline silk thin films are consistent with the conventional bulk FTIR spectra. ( d , e ) Spectra of a crystalline silk thin film with embedded amorphous silk nanopatterns of ∼30 nm fabricated using EBL, characterized by attenuated total reflection IR (ATR-IR) and AFM–IR, respectively. AFM–IR offers a considerable advancement ( × ∼1,000improvement spatially) in distinguishing nanoscale structural heterogeneity. ( f ) AFM–IR spectra of electron-induced structural transitions in silk proteins. PSD, position sensing detectors; PZT, lead zirconate titanate (Pb[Zr x Ti 1-x ]O3); EC- QCL, external cavity quantum cascade laser.

Journal: Nature Communications

Article Title: Nanoscale probing of electron-regulated structural transitions in silk proteins by near-field IR imaging and nano-spectroscopy

doi: 10.1038/ncomms13079

Figure Lengend Snippet: ( a ) Schematics of IR nano-spectroscopy using AFM–IR: pulses of IR radiation emitted by an IR QCL (output range: 1,460–1,780 cm −1 , swept by a step size: 1 cm −1 ) were used to illuminate the sample, causing a rapid thermal expansion of silk nanostructures due to local absorption enhancement at various stages picked by the AFM tip, corresponding to the absorption spectroscopic signatures. ( b , c ) The AFM–IR spectra on amorphous and crystalline silk thin films are consistent with the conventional bulk FTIR spectra. ( d , e ) Spectra of a crystalline silk thin film with embedded amorphous silk nanopatterns of ∼30 nm fabricated using EBL, characterized by attenuated total reflection IR (ATR-IR) and AFM–IR, respectively. AFM–IR offers a considerable advancement ( × ∼1,000improvement spatially) in distinguishing nanoscale structural heterogeneity. ( f ) AFM–IR spectra of electron-induced structural transitions in silk proteins. PSD, position sensing detectors; PZT, lead zirconate titanate (Pb[Zr x Ti 1-x ]O3); EC- QCL, external cavity quantum cascade laser.

Article Snippet: To obtain high-resolution optical images and spectroscopic information to map out the nano-chemical and nano-mechanical properties of silk proteins at the molecular level, an s-SNOM (NeaSNOM, Neaspec GmbH, Germany) is coupled to a tunable IR quantum cascade laser (QCL, Daylight Solutions Inc., USA) covering the broad IR spectra of the amide I and II bands over the range from 1,495 to 1,790 cm −1 ( ).

Techniques: Spectroscopy