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Laser Marking|Laser Scribing|Laser Drilling|Laser Cutting|laser ablation :: Home :: Products :: LIGHT CONVERSION :: HARPIA-TA

LIGHT CONVERSION
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HARPIA-TA
FEATURES
*350 – 1100 nm probe wavelength range
*Ample sample space to fit a cryostat or liquid sample pump
*Beam monitoring and self‑calibration
*Simple integration of any user‑preferred external spectrograph
*Transient absorption and Z-scan experiments on the same device

 

Detail
The HARPIA‑TA ultrafast transient absorption spectrometer features market-leading characteristics such as 0.05 mOD (10-4 ΔT/T) sensitivity and the ability to work at high repetition rates up to 1 MHz, when used with a PHAROS or a CARBIDE laser and an ORPHEUS OPA. A high repetition rate allows measuring transient absorption dynamics, while exciting the samples with low pulse energies down to several nanojoules.

Several probe configurations and detection options are available: from simple and cost-effective photodiodes for single-wavelength detection, to white-light supercontinuum probing, combined with spectrally-resolved broadband detection. HARPIA‑TA features integrated data acquisition and measurement control electronics providing advanced features such as:

*Single (sample-only) or multiple (sample and reference) integrated spectral detectors
*Simple integration of an external spectrograph
*Automated pump and probe beam position tracking and alignment
*Straightforward switching between transient absorption and transient reflection measurements
Several delay line options are available to cover delay ranges from 2 ns to 8 ns using either linear leadscrew (20 mm/s) or fast ball-screw (300 mm/s) translation stages.

Various optomechanical peripherals and electronics are integrated in HARPIA including:

*Optical chopper which can be synchronized to an external trigger
*Motorized Berek polarization compensator to adjust the polarization of the pump beam
*Motorized translating supercontinuum generator (for use with CaF2 or MgF2)
*Automated sample mover to translate the sample in the focal plane, thus avoiding local sample overexposure
*Integrated computer and data acquisition electronics
*Sample stirrer
*Beam profiler
HARPIA‑TA is compatible with many cryostats and peristaltic pumps. The capabilities of the spectrometer can be further extended using expansion modules.

 

Specification
Applications
*350 – 1100 nm probe wavelength range
*Ample sample space to fit a cryostat or liquid sample pump
*Beam monitoring and self‑calibration
*Simple integration of any user‑preferred external spectrograph
*Transient absorption and Z-scan experiments on the same device

 

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