3D Aerosol LIDAR - Raymetrics...cloud base height and more. With full 3D scanning capability, a...

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Aviation Mining Meteorology 3D Aerosol LIDAR LR111-ESS-D200

Transcript of 3D Aerosol LIDAR - Raymetrics...cloud base height and more. With full 3D scanning capability, a...

Page 1: 3D Aerosol LIDAR - Raymetrics...cloud base height and more. With full 3D scanning capability, a powerful laser and a large telescope, Raymetrics’ LR111-ESS-D200 is probably the most

Aviation Mining Meteorology3D Aerosol LIDAR

LR111-ESS-D200

Page 2: 3D Aerosol LIDAR - Raymetrics...cloud base height and more. With full 3D scanning capability, a powerful laser and a large telescope, Raymetrics’ LR111-ESS-D200 is probably the most

• High energy laser emitting ~30 mJ per pulse at 355 nm • Large200mmtelescopedesignedspecificallyforLIDARs• Rangeupto10-15km(withexcellentSignaltoNoiseRatio)• Remotelycontrollablewithfullscanningcapability• Completesoftwaresuiteincludingreal-timedisplayandmeasurementscheduling• OptionsavailablefornitrogenRamanat387nmandCross-Polarizationat355nm• In-builtindustrialgradePCforeasynetworking• Eye-safeaccordingtoEUstandardonlasersafety60825-1:2007• ComplieswithISO28902-1:2012-visualrangingwithLIDAR

Raymetrics’3DScanningAerosolLIDARisanactivelaserremotesensinginstrumentdesignedtoprovideavarietyofimportant informationabouttheatmosphere.AerosolLIDARsmeasuretheparticles,notofmovementofparticlesaswithwindDopplerLIDARs.Thisallowsforapplicationsincludingremotevisibility(SVR,RVR,VOR),fogdetection,remotecloudbaseheightandmore.Withfull3Dscanningcapability,apowerful laserandalargetelescope,Raymetrics’LR111-ESS-D200isprobablythemostpowerfuleye-safe3DscanningLIDARonthemarket.

Thesystememitsaneye-safelaserbeamintotheatmosphere. Laser light is scattered by particlesin the atmosphere and some is returned to a telescope.Becausethespeedoflightisknown,thedistancetoatmosphericlayerscanbedetermined.Fromthepropertiesofthelight,certainatmosphericcharacteristicscanalsobedetermined.

Introduction

Key Features

HowdoLIDARsWork?

Software

Receiver window (telescope)

Emission window (laser)

3D rotation device

Control unit

Castors for mobility

Lockable doors

Umbilical

3D data provided

Softwareprovidedfor...• InstrumentControl• MeasurementScheduling• Alignment• Set-upProcedure• DataAcquisition• DataStorage(Database)• Advanced Analysis• 3DDataVisualizationNote: Integration with software platforms available

3DScanningAerosolLIDAR

LR111-ESS-D200

Climate-controlled LIDAR Head

Climate control

Levelling feet

Laser emission

warning light

Rain sensor

Hardware

Page 3: 3D Aerosol LIDAR - Raymetrics...cloud base height and more. With full 3D scanning capability, a powerful laser and a large telescope, Raymetrics’ LR111-ESS-D200 is probably the most

• EXPERIENCE:RaymetricsisprobablythemostexperiencedatmosphericLIDARcompanyintheworld,(inoperationsince2002).

• GLOBALREACH:Thecompanyhasinstalledinstrumentsallovertheworld,includinginEurope,NorthAmerica,China,India,Africa,South

EastAsiaandSouthAmerica.

• EXCELLENTCLIENTBASE:Raymetrics’clientlistincludessuchprestigiousorganizationsastheEuropeanSpaceAgency,MeteoFrance,theGermanAerospaceCentre(DLR),theGermanWeatherService(DWD)andtheMetOffice(UK),whichhasanetworkofRaymetricsLIDARsinstalledspecificallyforvolcanicashdetection.Raymetrics3DAerosolLIDARshavebeenusedformeteorologicalandaviationapplicationsincludinginSingapore(NationalEnvironmentAgency),Chile(DirecciónMeteorológicadeChile),France(MeteoFrance),Germany

(SESARproject),Greece(EleftheriasVenizelosAirport)andAzerbaijan(HeydarAliyevInternationalAirport).

• REPUTATION:Thecompanyhasanexcellentreputation,particularlyamongsttheglobalLIDARcommunity.

• POWER:Raymetricsuseslaserswithhigherenergy-per-pulsethanothermanufacturers,meaninggreaterrangeandbetterdataquality.

Note: LIDARs work by plotting every individual pulse - meaning energy per pulse is of the highest importance. Dataqualitycanbeimprovedbystackingmultipleprofilestogether,butthisdoesnotgreatlyimproverange.

• SIZE:Raymetricsuseslargertelescopesthanmostothermanufacturersinordertocapturemoresignal.

Note:Raymetricstelescopesarecustom-designedwiththefocalpointinsidethetelescope,allowing obscurationfromthesecondarymirrortobegreatlyreduced,resultinginupto40%moresignal.

• STANDARDS:ProductcomplieswithISO28902-1:2012-GroundbasedremotesensingofvisualrangewithLIDAR.CompanycertifiedtoISO9001:2008standard.

WhyRaymetrics?

Remote Visibility•SVR,RVR,VOR(VerticalOpticalRange)

Fog Detection•Incomingfogbankdetection•Fogcannotbypassaswithin-situsensors

3D Cloud Base•Remotecloudbase-forforecasting•Totalcloudcover-in3D

Volcanic Ash•Definitivevolcanicashidentification•Altitudesofashlayers

Aerosol Monitoring•Particaldistinction(firesmoke,anthropogenicpollution,volcanicash,dust,marineaerosols)•PlanetaryBoundaryLayer(PBL)-includingmixingheight,upanddowndrafts,aerosolloading•Plumes

Applications

• SVRgivesamoreaccuratemeasureofpilot’svisibility• ISO28902-1:2012meansLIDARisnowastandardmethodof

measuringvisibility

RunwayVisualRange(RVR)iscurrently measured in-situ

LIDARscanprovideSlantVisualRange(SVR)-pilot’svisibility

RVR SVR

CASE 1: Measuring Visibility

• CeilometersuseLIDARtechnique-theyarebasicLIDARs• LIDARisthereforealreadythestandardmethodforcloudbase• LIDARsofferincreasedpower,rangeandcapabilities

Cloud base only measured vertically by ceilometers

LIDARs provide cloud base & total cloud cover in 3D

CloudBase(vertical) TotalCloudCover(3D)

CASE 2: Measuring Cloud

Distance(km)

North South3.0

1.5

0.06.0 6.0

Altitude(km)

Remote cloud heights

0.0

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Specifications

EMITTER

Laser energy 30mJ per pulse at 355nm

Repetitionrate 20Hz

BeamExpansion X10

Eye-safe YES(EUstandardonlasersafetyEN60825-1:2007)

Laser Class IV(withinenclosure)

RECEIVER

Size(primarymirror) 200 mm

Fieldofview(FOV) 0.25-3mrad(useradjustable)

Overlap <200m(withfactorysetFOV)

DETECTIONUNIT

Wavelengthsdetected 355nmco-polar

Wavelengthoptions(forparticledistinction) 355nmcross-polar387nmnitrogenRaman

Spatialresolution 7.5m

Temporalresolution 1secsingleshot10secsmultipleacquisitionmode(userselectableupwards)

FWHMbandwidth Approx.0.5nmperwavelength

Detectionmodes Analogueandphotoncountingfornearandfarfieldmeasurement

GENERAL

3DScanning 3600azimuth,900zenith

InternalPC IndustrialgradePCrunningWindows

Climate control HeatingandAirConditioningunitsforbothLIDARHeadandControlUnit

Software Fullsuiteofsoftwaresuppliedfor:• InstrumentControl• MeasurementScheduling• SystemAlignmentandSet-upProcedure• DataAcquisition• DataStorage(Database)• DataAnalysis• DataVisualization

Automation Remotelyoperablewithmeasurementschedulingforautomation

Warranty 1yearasstandard

Training 3 day installation and training course on site as standard

ADDITIONAL

EffectiveRange >10-15km*

Environmental tolerance -15to+450C

Dimensions Approx.1.8mx1.0mx1.0m(HxWxD)

Weight Approx.220kg

Power 110-240V,50-60Hz(standarddomesticpowersupply).Peakcurrent25Amps.

*Effective ranges depend on atmospheric conditions and integration times.

RaymetricsS.A.32Spartis,Metamorfosis14452,Athens,GreeceT+302106655860F+302102827217www.raymetrics.cominfo@raymetrics.com