Lecture

Mid-Infrared Arthroscopy: Real-Time In-Vivo Cartilage Condition Assessment

  • 11.04.2024 at 12:30 - 13:00
  • ICM Saal 5
  • Language: English
  • Type: Lecture

Lecture description

Owing to the recent technological advances in mid-infrared (3-15 μm; MIR) laser technology, especially cascade laser spectroscopy (CSL) has evolved into a state-of-the-art tool for the selective and sensitive quantification of trace analytes in liquid, solid, and gaseous state in a wide variety of sensing scenarios. High output power, narrow linewidths, single-mode operation, low power consumption, broad tunability and compact dimensions are just some of the most outstanding features of cascade lasers.

Since their introduction in the mid 1990ies, quantum cascade lasers (QCL) and interband cascade lasers (ICL) have rapidly matured into the probably most important contemporary MIR laser light sources. In this presentation, we will discuss state-of-the-art sensing platforms that benefit from cascade lasers combined with miniaturized photonic platforms providing direct access to molecule-specific information. Indeed, point-of-care diagnostics in clinical settings are becoming more prevalent taking advantage of the fact that MIR detection schemes do not require reagents or labeled constituents, and therefore facilitate localized on-site analysis close to real-time.

With increasing progress towards highly miniaturized MIR optical components, evidently devices useful in medical/clinical applications may directly capitalize on advantageous features of integrated MIR photonics. Quo vadis? For sure, in-vivo applications enabling direct sensing and/or condition monitoring within living organisms are considered the ‘holy grail’. We will highlight the utility of MIR catheter technologies for analyzing cartilage damage in-vivo during arthroscopic surgery, and discuss potential and challenges when translating this technology into clinical practice.

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