The Stuttgart Instruments Piano is a tunable infrared source for precision spectroscopy and microscopy. It provides narrow linewidth, automated wavelength control, and repeatable spectral settings. The pump laser is integrated in the same enclosure.

Specifications
Spectral range

Performance
Spectral accuracy
Specified wavelength accuracy and repeatable tuning steps for high-resolution spectroscopy.
Modulation
Integrated high-speed modulator
The Piano is equipped with a high-speed optical modulator. All outputs are modulated through a single input signal. The system comes with a fully integrated modulation architecture including a precision electronic oscillator and full software support.

Applications
Example applications
- (s)SNOM microscopy and imaging
- AFM photothermal spectroscopy
- Photoacoustic spectroscopy
- Trace gas sensing
- Quantum dot excitation
- Entangled photon pair generation