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Qwave User Manual

6

branch. If you double click on this

should read: "Driver Provider: RGB Photonics" and "Driver Version: 2.8.14.0" (or later). If
your spectrometer is marked with an exclamation or question mark, please remove the
device, uninstall the software from the Windows Control Panel, restart the computer and
install the software again.

If your spectrometer is not listed at all in the Device Manager, please try a different USB
port. If the device does not work on one computer, but works on others, the USB port

externally powered USB hub.

al Support Team (see chapter 5.1).

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Summary of Contents for Qwave

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Page 2: ...H Product specifications and descriptions in this manual are subject to change without notice RGB Photonics GmbH will not be responsible for errors and omissions in this manual or for direct or incidental damages in connection with the use of this device or information 2016 RGB Photonics GmbH Donaupark 13 93309 Kelheim Germany Telephone 49 9441 1750 33 0 Website http www rgb photonics com E Mail s...

Page 3: ...play 9 3 5 Working with spectra 10 3 6 File Operations 11 3 7 Spectrum Analysis 11 3 8 Absorption Reflection and Transmission Measurements 13 3 9 Calibration 15 3 10 Triggering and I O Port 18 4 Software Development Kit 20 4 1 Prerequisites 20 4 2 Getting started 20 4 3 Classes Overview 20 4 4 Adding the SDK library to your project 21 4 5 Taking a spectrum 22 4 6 Deploying your project 22 5 Techni...

Page 4: ......

Page 5: ...High sensitivity and dynamic range Exceptional thermal stability Optical input via SMA fiber connector or free focused beam other options available 4 I O channels for external triggering light source control and general purpose I O Controlled and powered via USB 2 0 Waves Software Features Take and display series of spectra Dynamic exposure control with dark spectrum interpolation Import most ASCI...

Page 6: ...vailable on the CD and as a free download USB 2 0 1 3 Package Contents Qwave spectrometer USB cable CD ROM with Waves spectroscopy software including device driver software development kit and this manual as PDF Printed user manual 1 4 Optional Accessories I O port adapter IllumiCell cuvette holder with light source Fiber optical cable LightBox broadband light sources Visit us at www rgb photonics...

Page 7: ...site After the software is installed please connect your Qwave spectrometer to a USB port on the computer You can use the provided USB cable or almost any other Mini USB cable The USB port needs to supply an electrical current of up to 500 mA so you need to either connect the spectrometer directly to your computer or to an externally powered USB hub A flashing red LED on the device indicates that ...

Page 8: ... to power the spectrometer Please connect the red and black wires coming from the data cable to a 5 V power supply 5 V and GND respectively When you connect the device to power the red LED should flash briefly and the green LED should be lit continuously If the green LED is off the device probably does not get enough power To install the application software Waves please proceed as described in th...

Page 9: ...sed light is centered on the entrance slit the height of the light spot on the entrance slit is 200 µm or smaller and the numerical aperture of your focusing optics is close to 0 1 matching the numerical aperture of the spectrometer The Qwave spectrometer does not detect light from outside a cone that corresponds to a numerical aperture of about 0 1 Therefore if your focusing optics has a larger a...

Page 10: ...ion or question mark please remove the device uninstall the software from the Windows Control Panel restart the computer and install the software again If your spectrometer is not listed at all in the Device Manager please try a different USB port If the device does not work on one computer but works on others the USB port externally powered USB hub al Support Team see chapter 5 1 ...

Page 11: ...of operation that includes all relevant types of measurements absorption irradiance scope and so on through a consistent and clear interface Waves favors a simple self explanatory terminology instead of complicated terms that need to be explained For example we integrated here There are no wizards to help you with complicated tasks because wizards tend to 3 2 Overview When you start Waves the soft...

Page 12: ...s for a single shot or to start a continuous measurement You can increase the exposure time in order to decrease the noise level If the amount of light detected during the exposure is too large for the CCD detector inside appears at the top of the diagram In this case you need to decrease the exposure time You can further increase the sensitivity by averaging across multiple exposures with the If ...

Page 13: ...see chapter 3 8 In the Exposure Toolbar you can also select the triggering mode see chapter 3 10 and choose a reference spectrum for absorption reflection and transmission spectroscopy see chapter 3 8 3 4 Spectrum Display The Main Diagram Panel displays all spectra that are marked by a check mark in the Spectrum List If no spectrum is checked in the list then the currently selected spectrum marked...

Page 14: ...you can have several spectra loaded at the same time for easy comparison and analysis On the upper left side you can see the Spectrum List Whenever you take a new keep this spectrum and take another one just click on the single push pin button This prevents the current spectrum from being t from being overwritten You can also choose to keep all new spectra by selecting the button with multiple pus...

Page 15: ...n by other applications if they are saved as ASCII tables or csv files Waves tries its best to automatically determine the file structure and is able to open many different file formats 1 you choose the page half shows selected metadata and values The printing options are designed for the most common tasks If you have further specific requirements for printing you may also decide to export the dia...

Page 16: ...t by the average of the surrounding data points You can choose how many data Arithmetic Operations This creates a new spectrum by adding subtracting multiplying or dividing two spectra Adjust Wavelength This allows to assign a new wavelength scale to all spectra in the list based on the parameters for the fourth order polynomial function used for wavelength calibration It may be useful if you took...

Page 17: ...ing to spectra that are currently not visible in the main window are drawn in a lighter red color Show Loupe This opens a window with a magnified display of the spectrum around the mouse pointer It may be used in order to study small features in the spectrum as an alternative to zooming in 3 8 Absorption Reflection and Transmission Measurements Principle In absorption reflection and transmission s...

Page 18: ...d temporal se you can take spectra of your sample for measuring absorption or transmission To take a reference spectrum for reflection spectroscopy you need a white reference sample to calibrate the setup for 100 reflection However all real world reference samples have a reflection of less than 100 and an uneven spectral distribution Therefore for accurate measurements you also need to supply a re...

Page 19: ...ontinuously monitored by the spectrometer and a warning is displayed if the temperature has changed considerably After you have recalibrated the spectrometer you can always restore the factory Calibration Accuracy The wavelength calibration is very accurate and changes only little with time or wavelengths The dark spectrum calibration depends on the temperature If the temperature has changed consi...

Page 20: ...s To recalibrate take a spectrum of this light source first Make sure that the relevant peaks Menu list you need to supply your own calibration lines In this case please take a look at the CalibrationLines xxx dat create a new similar file containing the spectrum lines of your light source e tries to match the peaks in the measured spectrum and the given spectrum lines for your light source automa...

Page 21: ...posure time With dark spectrum correction green however the noise level should remain pretty much at the same level for exposure times less than 1 second and increase slower for exposure times larger than 1 and the new dark spectrum calibration is saved into the device Otherwise you may Spectral Sensitivity Like in all spectrometers the sensitivity of the Qwave spectrometer is not uniform across c...

Page 22: ...u click on one of the green buttons or in the Exposure Toolbar In addition you can set the spectrometer to wait for an additional can select one of three different trigger modes continuous Spectra are taken as soon as possible interval Spectra are taken in regular time intervals You can specify the time between two spectra and also a time period after which the measurement is stopped The timer pro...

Page 23: ...ensity values is reduced Therefore only use low jitter mode if your application really requires it In this mode the CCD sensor has different dark signal properties Therefore when turning low jitter mode on or off it is recommended to take a new set of dark spectra For external triggering there are a few more options described below I O Channels The Qwave includes an I O port on the front side with...

Page 24: ...ccess the DLL from LabView Matlab C C and using COM 4 2 Getting started In order to get familiar with the SDK quickly we suggest to 1 Read the next chapter 4 3 to understand the structure of the SDK library 2 Read the basic steps required in order to take a spectrum chapter 4 5 3 Study the sample projects included in the SDK 4 Add the SDK library to your own project chapter 4 4 5 Implement the bas...

Page 25: ...trometer is in the RgbDriverKit dll file You also need the FTD2XX_NET dll file Please copy both to your main project folder The Qwave device driver for Windows which is installed during the installation of Waves must also be present Visual Studio please add both libraries in Visual Studio to your project references in the Solution Explorer window Then import the RgbDriverKit librar using RgbDriver...

Page 26: ...us property is SpectrometerStatus TakingSpectrum 6 Read the spectrum with the GetData method The full documentation for these methods and properties can be found in the RgbDriverKit documentation chm help file All methods and some properties may throw an exception as described in the SDK documentation help file Always make sure that these exceptions are properly handled by placing these methods in...

Page 27: ... Software Updates are expected to be released about twice a year To check for updates on our website www rgb photonics com These are some of the features planned for future software releases subject to change More colorimetry values and options Trigger on beginning of exposure External shutter and light source control Sensor nonlinearity correction More options for printing and export Working with...

Page 28: ...etection A D converter 16 bit 15 MHz Calibration Wavelength sensitivity and multiple dark spectra stored within device Transfer speed to PC 70 ms per spectrum Digital Interface USB 2 0 Extension port 4 General purpose I O channels Configurable as trigger input Digital interface for accessories Power supply 5 V DC via USB no power adapter required Power consumption typical 180 mA maximum 500 mA wit...

Page 29: ...Specifications 25 Technical Drawing All dimensions in mm 3D CAD files are available for download on www rgb photonics com ...

Page 30: ...rigger input and general purpose I O You can use the power supply on pin 1 to supply small custom electronics 1 5 V Power Supply max 300 mA 2 I O Pin 0 3 I O Pin 1 4 Extension Present for accessories 5 Digital Interface SCL for accessories 6 Digital Interface SDA for accessories 7 I O Pin 2 8 I O Pin 3 9 Ground 1 4 7 2 5 8 3 6 9 Qwave Extension Port Connector viewed towards front side of device 1 ...

Page 31: ... interface instead of USB the pinout of the digital connector on the back of the device is this Pin number Signal USB cable color Description 1 VCC red Voltage Supply 5 VDC 2 TX white Data sent from device to host 3 RX green Data received by device from host 4 Not used 5 GND black Ground ...

Page 32: ...ng product Qwave Version 1 0 complies with the following normative documents EN55022 2010 EN61000 6 2 2005 and therefore with the following EG requirements Electromagnetic compatibility 2004 108 EG This declaration applies to all models of the above named product version in case it will be used in the configuration of the test assembly Kelheim 27 03 2012 Mathias Reichl ...

Page 33: ... found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause har...

Page 34: ...Kelheim declares that the following product Qwave Version 1 0 contains no toxic substances which are specified in the RoHS Directive 2002 95 EG The conformity to RoHS Directive 2002 95 EG is confirmed This declaration applies to all models of the above named product version Kelheim 09 06 2011 Mathias Reichl ...

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