The dynamic range in the present setup is limited due to realtime data analysis in labview. The documents are located in the documentation folder. Click startmenu programs highfinesse wavelength meter. High resolution single scan widths must be at least 25 ghz wide. Ws6 or ws7 wavemeter driver file exchange matlab central. This can be done on the computers in the lab, or any other computer with the current version of labview installed. Bristol wavemeter interface documentation martha roseberry august 1, 2008 1 basics the labview wavemeter interface can be found in the bistol wavemeter folder on the desktop of the computer qol. You will not be able to verify that the data you output since. Generating an analog output waveform in this exercise, you will use the daq assistant to build a labview vi that generates and outputs an analog waveform. Read labview based laser frequency stabilization system with phasesensitive detection servo loop for doppler lidar applications, optical engineering on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Multichannel optomechanical switch and locking system. Another suggestion to increase the readout speed according to the manual of the keithley. By providing high power lasers even at exotic wavelengths toptica is renowned for the widest wavelength coverage of stateoftheart lasers on the market.
Button product overview ws series button product brochure wavelength meter. Two photon absorption and stimulated raman scattering in alkali vapor lasers. High finesse is a german optics company that makes highquality spectrometers. Highfinesse gmbh wavelength meter, product overview. Several key functions are explained in the tutorial videos tab. To open the manual in pdf format, browse to the installation folder. The robust highfinesseangstrom high precision wavelength meters with. A sinusoidal wavelength modulation with 2fm amplitude was applied at 2.
Toptica photonics has been developing and manufacturing high end laser systems for more than 20 years. Waveanalyzer 1500s high resolution optical spectrum analyzer the waveanalyzer tm 1500s is an optical spectrum analyzer offering very high spectral resolution in combination with a fast update rate of 4 measurements per second across the entire c or lband or 10 hz across any 200 ghz window. I am attempting to read the output of an ifm sm6001 flow meter in labview, and write the flow values to an excel file. Example programs are included with most instrument driver downloads. Bandwidth of omm6810b optical multimeter analog output 80 kb, pdf high power linearity test. Find instrument drivers that are available for this instrument for use in labview, labwindowscvi, or measurement studio. The systems are used for demanding scientific and industrial applications in biophotonics, industrial metrology and quantum technology. The wavelength meter consists of an optical unit, a usb connection solution for ibm pc compatible computers and the easy to use software.
Harnessing speckle for a subfemtometre resolved broadband. Wednesday, december 8 midnight for this homework assignment, you will complete a tutorial on the labview data acquistion software. Similar to the optical reference cavities, the wavemeter is not inherently stable and is subject to. Hi, first, i am a relatively inexperienced labview developer, so while i will do my best to provide all the necessary information, if something is missing or unclear, my apologies in advance. The wavemeter is calibrated using a 780 nm laser which is locked to within 1 mhz of the 87rb d 2 line. Together, this group has over 80 years of combined experience in the design, manufacture, and marketing of lasers and precision test instruments used in basic and applied research, engineering, and production test.
Phase sensitive detection is employed with an absorbance of less than 1% observable under field conditions. We demonstrate a broadband wavemeter by imaging the radiation from multiple interfering modes approaching cutoff in a tapered hollow waveguide clad by omnidirectional bragg mirrors. Standard image high resolution image export powerpoint slide moreover, the study of. Stability of the wavemeter could be guaranteed only for two scans for the smaller interval and one scan for the larger one. Matlab driver class to setup and readout a high finesse ws6 or ws7 wavelength meter. Interfacing to a high finesseangstrom spectrometer via python. Absorption spectroscopy in highfinesse cavities for. Using a wavemeter is usually more precise than measuring a wavelength with a spectrometer. Frequencydomain displacement sensing with a fiber ringresonator containing a variable gap.
Two photon absorption and stimulated raman scattering in. Osa wavemeter based on dispersion and speckle in a. Highfinesse gmbh quick start guide highfinesse wavelength meter, wavemeter, step. Frequencydomain displacement sensing with a fiber ring. The ringdown cavity is a 22 mm 10 mm rectangular cross section quartz channel 55 cm long, fused to 1. The class supports the addition of a multichannel switchbox connected to the wavelength meter. Programming of the wavelength stabilization for a titanium. The labview instrument driver import wizard allows you to convert an instrument driver from labwindowscvi c source to a labview wrapper dll.
The highfinesseangstrom wavelength meters are the unsurpassed highend instruments for wave length measurement of pulsed or continuous laser sources. An estimation of the relative accuracy of the speckle wavemeter and the commercial. Wavemeter class d no 1, mk ii za17469 equipment military u. To make the experimental apparatus compact, we have adopted dc discharge, and the discharge cell was inexpensively constructed for replacement with commercially available vacuum parts. Cristina bachmann, heiko bischoff, christina kaboth, insa mingers, sabine pfeifer. The microwaves bounce back and forth between the walls of the cavity. Dispersion of the cutoff point was used to extract a coarse wavelength estimate, and subsequent computational analysis of the complex standing wave radiation pattern leading up to the cutoff point enabled a much. We recorded images of 1024 1024 pixels at 100fps and 2 s exposure. The omm6810b optical multimeter coupled with the omh6700b series optical measurement heads, provide the flexibility to easily and accurately measure the optical power of short wavelength lasers, higher power pump, and fiber laser diodes power only heads offer the capability of measuring power only from laser diode sources while capitalizing on the wide dynamic range of semiconductor detectors. Labview is a programming environment where time is a first class element see e.
Perram atmospheric transmission for cesium dpal using tdlas. Highfinesse ws5 meter usb driver for labview national. Atmospheric transmission for cesium dpal using tdlas. Highfinesse angstrom ws5 wavelength meter instrument. The 871 laser wavelength meter uses a proven fizeau etalon design to measure the wavelength of pulsed and cw lasers to an accuracy as high as 0. Our products topticas cutting edge laser systems combine world class specifications with highest precision, reliability and longevity.
Raman sideband cooling of a 8ba ion using a zeeman interval. There are also wavemeters which can act as spectrometers, thus offering both functions with high accuracy. It measures the wavelength of the ecdl and sends the information to a labview program, via. The wavemeter is calibrated using a 780nm laser which is locked to within 1mhzofthe87rb d 2 line. The labview instrument driver export wizard allows you to convert a labview 8. The core titanium sapphire ring laser must have scan rates of up to 200 ghzsec with modehop free wavelength scanning over 5 nm with up to 10 khz resolution in less than 10 minutes. Dopplerfree yb spectroscopy with fluorescence spot. Please choose the manual installation way, selecting the driver by yourself. Light transmitted through the cell was observed with a photodetector.
Absolute laser frequency is monitored with a high finesse wavemeter to an accuracy of less than 10 mhz. Wavelength meter sensitive and compact wavemeter with. Instrumentation development of a highresolution twolaser. Aeolus high energy uv laser wavelength measurement and. A hollow cathode discharge cell has been developed for a variety of sample phases. As an extra feature, routines are added to toggle between wavemeter channels without blocking execution of other matlab scripts. A microwave cavity or radio frequency rf cavity is a special type of resonator, consisting of a closed or largely closed metal structure that confines electromagnetic fields in the microwave region of the spectrum.
Dopplerfree yb spectroscopy with fluorescence spot technique. Typical chart data has no time information, so the axis needs to be defined with t0 and dt, assuming equal spacing between points. The model number of the wavelength meter indicates the relative frequency accuracy of the respective instrument ws8 instruments have a relative accuracy on the order of 10. A commercial wavemeter highfinesse ws7, resolution 5 mhz and a fabryperot interferometer burleigh, free spectral range 2 ghz, finesse 200.
All ecdls are locked by a high finesse wsu10 wavelength meter every. The structure is either hollow or filled with dielectric material. We regularly update this software to add significant new features and make improvements suggested by our users. The wavemeter is calibrated using a 780nm laser which is locked to within. Waveanalyzer 1500s highresolution optical spectrum analyzer. Download highfinesse ws5, a labview usb dll with wrapper instrument driver for a wavelength meter from highfinesse, models.
This experiment is controlled by a computer running a similar labview script, which i scans the piezoelectric driver voltage to tune the laser output wavelength, ii records the wavelength from the wavemeter for each trace, and iii saves the laser intensity trace from the oscilloscope. Rp photonics encyclopedia wavemeters, wavelength meters. Labviewbased laser frequency stabilization system with. An estimation of the relative accuracy of the speckle wavemeter. The wlm driver occasionally behaves in ways that contradict the user manual. A new fringecounting wavemeter based on a compact spherical interferometer is described. When it comes to the high standards of the photonics community in scientific research as well as industrial development, highfinesse understands the challenges and high demands for customization. The advantage of a spectrometer, however, is that it also delivers information on relative powers of different spectral components. The optical unit is designed to create interference patterns, obtained by four fizeau interferometers.
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