Comprehensive Spectroscopy System

The HARPIA comprehensive spectroscopy system performs a variety of sophisticated time-resolved spectroscopy measurements in a compact footprint. Extension modules and customization options tailor the HARPIA system to specific measurement needs. The system is built around the HARPIA-TA transient absorption spectrometer and can be expanded using time-correlated single-photon counting and fluorescence upconversion (HARPIA-TF), third beam delivery (HARPIA-TB), and microscopy (HARPIA-MM) modules. For a single-supplier solution, the HARPIA spectroscopy system can be combined with a PHAROS or a CARBIDE laser together with ORPHEUS series OPAs. HARPIA also supports Ti:Sapphire lasers with TOPAS series OPAs.

HARPIA Application Table
Application 1) Main unit 2) 3) Additional module 2) 3)

Transient absorption and reflection in bulk mode


Transient absorption and reflection in microscopy mode

HARPIA microscopy module logo

Multi-pulse transient absorption and reflection


Femtosecond stimulated Raman scattering (FSRS)


Fluorescence upconversion


Picosecond-to-microsecond fluorescence TCSPC



HARPIA-TB logo  4)

Flash photolysis

Extension 5)

  1. Read more in ultrafast spectroscopy applications.
  2. See HARPIA selection guide for more details.
  3. Contact for exemplary configurations.
  4. HARPIA-TB also supports Z-scan as a free-standing device.
  5. Optional flash photolysis extension for HARPIA-TA; see specifications.
  • Femtosecond transient absorption and reflection in bulk and microscopy modes
  • Multi-pulse transient absorption and reflection
  • Fluorescence upconversion and TCSPC
  • Femtosecond stimulated Raman spectroscopy (FSRS)
  • Flash photolysis, Z-scan
  • Market-leading sensitivity
  • 330 nm – 24 μm spectral range
  • Probe delay ranges from 2 ns to 8 ns
  • Pump pulse energies down to nJ
  • Cryostat and peristaltic pump support
  • Picosecond-to-microsecond fluorescence TCSPC
  • Automated switching between fluorescence upconversion and TCSPC measurements
  • Automated spectral scanning and calibration
  • Optional operation as a stand-alone unit
  • Delivery of an additional femtosecond or picosecond beam
  • Polarization, intensity, and delay control
  • Femtosecond stimulated Raman scattering (FSRS) support
  • Z-scan support
  • Down to 5 μm spatial resolution
  • Broadband and monochromatic probe options
  • Motorized XYZ sample stage
  • Transmission, specular and diffuse reflection geometry

HARPIA Comprehensive Spectroscopy System

Product datasheet.

Rev. 27/09/2021. Size 6.5 MB.

HARPIA Selection guide

HARPIA components selection guide.

Rev. 29/04/2021. Size 562 KB.

Femtosecond Laser Systems for Science

Product catalog.

Rev. 27/09/2021. Size 12.3 MB.


Product catalog in Chinese.

Rev. 03/05/2021. Size 12.5 MB.