PAS
1000 Pulsed-Laser Photoacoustics System
The PAS 1000 provides optics, energy probes, a fast diode trigger, cuvette holder,
transducer, preamp, data acquisition hardware and a digitizing oscilloscope.
The components are linked together with software for data collection, processing
and analysis. Add a laser and a personal computer and you will have everything
you need to generate high quality pulsed laser photoacoustics data suitable for
complex kinetic analysis.
Optical Components
| • | Beam splitter, filter mount, and fast photodiode to provide timing trigger |
| • | Beam splitter, filter mount and pyroelectric energy probe for measuring incoming pulse energies |
| • | 6-position filter wheel for repeatable intensity control |
| • | Shutter to block incoming beam when it is not needed |
| • | Adjustable rectangular aperture for precise control of the illuminating volume in the sample |
| • | 100 mm focal length fused silica rectangular lens for focusing the beam in the cuvette. |
| • | Filter mount and pyroelectric energy probe for measuring transmitted pulse energies to determine in situ absorption |
| • | Melles Griot 03FSQ011 neutral density filter set for attenuation of the incoming laser radiation and use as beam splitters (0.04, 0.1, 0.3, 0.5, 1.0, 2.0, 3.0 nominal ODs) plus extra blank |
Temperature-controlled sample holder and photoacoustics hardware:
| • | FLASH 300 Temperature-Controlled Cuvette Holder for Laser Spectroscopy |
| • | TC 125 Temperature Controller to provide rapid, precise Peltier control over a wide range of temperatures |
| • | Photoacoustics option for the FLASH 300 |
| • | Panametrics V103RM 1 MHz transducer |
| • | Panametics 5662 Ultrasonic Preamp |
Control and data acquisition electronics:
| • | PAS 1000-IU Interface Unit connects to your computer through USB |
| • | National Instruments NI-488.2 GPIB-USB-HS |
| • | National Instruments NI-USB-6009 14-bit, 48KS/S Multifunction I/O |
| • | Tektronix TDS 2012 100 MHz digitizing oscilloscope with GPIB option |
Temperature control, data acquisition processing and analysis software
| • | Serial Control V. 9.0 for external computer control of the TC 125 Temperature Controller, complete temperature control including complex ramping functions |
| • | Data acquisition |
| • | Sound Analysis V1.50D Deconvolution and kinetic analysis of photoacoustic waveforms |