Vertilon — Literature for PhotoniQ Products & PMT Accessories

Essential reading for the user who wishes to understand how to use PhotoniQ multichannel PMT data acquisition systems in scanned imaging applications such as confocal microscopy, and particle analysis applications like bioaersol detection and flow cytometry. The application note provides a detailed description on how the PhotoniQ acquires data and provides a context for understanding some of its performance specifications.
PhotoniQ: Data Processing Architecture

The data processing architecture of PhotoniQ PMT data acquisition systems is described in this application note. The document provides an overview of the parallel architecture of the digitization and hardware signal processing functions and a brief description of the operation of the on-board DSP. This note is a good starting point for users who wish to get a basic understanding of the capabilities of the PhotoniQ product line.
PhotoniQ: Triggering & Integration

A primer on the trigger and integration modes of the PhotoniQ, this application note includes descriptions and illustrations for each of the PhotoniQ's powerful triggering modes and how they relate to the integration parameters.
PhotoniQ: Speed and Throughput

This document describes some of the specifications governing the data acquisition speed and data transfer speed of the PhotoniQ. The terms minimum event pair resolution (MEPR), maximum trigger rate (MTR), and sustained average event rate (SAER) are defined. A short discussion on event buffer sizing is also given.

File Downloads
PhotoniQ Log File Sample #1
Included in this download are two files. The first is a sample of the raw binary file produced by the PhotoniQ when logging data to a PC. The second is a tab delimited text file that results from running the binary file through the Log File Converter supplied with the PhotoniQ GUI software. Text log files are best viewed using a spreadsheet applicaton such as Excel. Data was acquired using a PhotoniQ configured in Image mode, spectral filtering on, range bits on, and 17-bit data output format. All 32 channels were enabled and a test signal was input to channel 7 only. The file contains approximately 1000 samples.
PhotoniQ Log File Sample #2
This download is similar to the sample above except that the data was collected with the spectral filter off and the output data format set to 16-bit two's complement. The logfile timestamp is enabled and shows that the data was acquired at 1 KHz.
PhotoniQ Log File Sample #3
Similar to the two samples above, this download contains a binary log file and the associated text log file generated by the Log File Converter. The PhotoniQ acquisition mode was set to Display & Log with 8 channels enabled on bank 1 and 2 channels on bank 3. All other channels were disabled. Instead of the timestamp, the trigger stamp was enabled in the log file.

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