現(xiàn)代光學(xué)儀器pi-ps x ray app presentation chinaa

1、Manjul ShahProduct ManagerX-ray and Imaging ProductsBeijing Applications Seminar, China - Aug. 10-14, 2004 Princeton Instruments, Trenton, NJ Founded in 1981 by leading scientist/pioneer from spectroscopy community Focused on technological leadership Recognized leader in spectroscopic cameras Recogn

2、ized leader in image-intensified cameras Acquired by Roper Industries, Inc. in 1997Photometrics, Tucson, Az.Founded in 1978 by leading scientist/pioneerFocused on technological leadership alsoRecognized leader in imaging camerasRecognized leader in fiber-bonded camerasAcquired by Roper Industries in

3、 March, 1998Roper Scientific, Inc.Photometrics High performance cameras or Life Science (Imaging)Princeton Instruments High performance cameras for Physical Science(Spectroscopy, X-ray and Visible Imaging)Princeton Instruments CCD detectors for Application SegmentsSpectroscopySpec-10OMA V- InGaAsOMA

4、 V - PDAPI-MAXImagingPIXISVersArrayXPVersArrayCascadeQuantixX-rayPI-SCXPI-SXPI-LCXState-of-the-art detectors for cutting edge researchX-ray Products for Imaging and Spectroscopy between 50 keVPrinceton Instruments CCD cameras by ApplicationSpectroscopySpec-10OMA V- InGaAsOMA V - PDAPI-MAXImagingPIXI

5、SVersArrayXPVersArrayCascadeQuantixPI-SCXPI-SXPI-LCXX-rayPI-SCXPI-SCXPI-SXPI-LCXPI-LCXPI-SCXOutline:Introduction to X-ray ProductsPI-SCX:PI-SXPI-LCXHow to select right detector for X-ray energies of interestApplicationsCase StudiesTechnology Selection Chart - 50 keVX-ray Imaging / Spectroscopy Appli

6、cations:PI-SCXX-ray diffractionStreak tube readout CrystallographyPI-SXX-ray MicroscopyLaser Plasma Physics / SpectroscopyGrazing Incidence SpectroscopyEUV lithography PI-LCXXIFS X-ray Intensity fluctuation spectroscopyX-ray SpectroscopyX-ray lithographyPI-SCX:PI-SCX:4300 and PI-SCX:4096PI-SCX:1300

7、and PI-SCX:1300BPI-SCX Configuration Chart:X-ray diffraction experimental Synchrotron (an outline drawing)X-ray diffraction experimental setup at APSPhoto courtesyof Dr. Gene Ice ORNLPI-SCX:4300 cameraX-ray diffraction experimental setup at APSPhoto courtesyof Dr. Gene Ice ORNLPI-SCX:4300 cameraX-ra

8、y beam lineX-ray diffraction Image: Courtesy ORNLMicroLaue pattern from an epitaxial film of GaN grown on single crystal SiCDetector System:PI-SCX:4300 with high resolution CsI:Tl scintillatorX-ray Powder Diffraction Image: Courtesy Prof. Sarah TolbertX-ray Powder Diffraction:Sample Silica/surfactan

9、t compositeDetector System:PI-SCX:1300 with high sensitivity GdOS phosphor Fiber Coupled X-ray CT: Setup at ANU A Princeton Instruments PI-SCX:4300-100 X-ray camera was specifically designed for the facility active area is 70 70 mmA 140 m CsI(Tl) scintillator was grown directly onto a tappered fibre

10、 optic bundle channeling light directly onto CCDA 2084 2084, 24 m pixel Grade 1, Kodak KAF4302E CCD generates image peltier cooled to -50CImage downloaded with two 16-bit ADCs 1Mpixel/sec readout16-bit ADC ideal for generating low-noise tomogramsFiber Coupled X-ray CT: Setup at ANUX-ray CT Image: Co

11、urtesy of ANU-XCTA tissue engineered construct consisting of mineralised ingrowth (red) into a polymer scaffolding (white lattice). This specimen was used to evaluate bone regeneration in a pig orbit reconstruction.Tomogram: 10243 voxels 9.4 m per voxelX-ray CT Image: Courtesy of ANU-XCTHuman Cortic

12、al Bone showing Haversian and Volkmann canals.Tomogram:10243 voxels 4 m per voxel Lens Coupled X-ray CT: Setup at APSSchematic of the absorption CT apparatus used on the bending magnet beamline. The configuration is typical of CT data collection systems at synchrotrons1.(Cascade, CoolSnap)Micro-CT i

13、mages: Courtesy Prof. Mark Rivers GeoCAR/APSStreak Tube Readout:Streak Tube Readout:Streak Tube readout Image:Image Courtesy of Dr. Dennis Paisley, LANLThe image shows both spectral (top) and spatial (bottom) information. The series of dots in the middle are time fiducial marks generated by an LED p

14、ulsed at a known frequency. X-Ray ImagingPI-SCX:1300 90 with GdOS phosphorX-ray Crystallography Images:Two different types of Scintillator/PhosphorCsI:Tl Needle StructureFor higher resolutionGdOS Powder StructureFor higher SensitivityPI-SX:PI-SX:400, 100, 2k, 1300PI-MTE:1300PI-SX Configuration: TE c

15、ooledPI-SX Configuration: LN CooledSoft X-ray Microscopy:Why Soft X-ray Microscopy?Soft X-rays have a photon energy of 100 eV - 1000 eV (1nm - 10 nm). This wavelengths give the potential for high-spatial resolution imaging without the need for very laborious sample preparation that is required in th

16、e Transmission Electron Microscope imaging and provides very good intrinsic contrast between organic material (protein) and water in the water window between the K edges of carbon and oxygen absorption edges (284 eV 543 eV), and good penetration in micrometer-thick specimens.Water Window:X-ray Micro

17、scopy at sychrotron: ALSSoft X-ray Imaging:Malaria infected red blood cellSoft X-ray imaging setup at CREOLLaser Induced plasma Spectroscopy: (Grazing Incidence) X-ray Spectroscopy: (Direct incidence) Figure 1: Schematic sketch of the experimental setup.MonitorSampleIonization chambersMonochromator

18、Monochromator stabilizationBeamshutterI1I0CCD-CameraFigure 1: Schematic sketch of the experimental setup.MonitorSampleIonization chambersMonochromator Monochromator stabilizationBeamshutterI1I0CCD-CameraFigure 1: Schematic sketch of the experimental setup.MonitorSampleIonization chambersMonochromato

19、r Monochromator stabilizationBeamshutterI1I0CCD-CameraFigure 1: Schematic sketch of the experimental setup.MonitorSampleIonization chambersMonochromator Monochromator stabilizationBeamshutterI1I0CCD-CameraFigure 1: Schematic sketch of the experimental setup.MonitorSampleIonization chambersMonochromator Monochromator stabilizationBeamshutterI1I0CCD-CameraFigure 1: Schematic sketch of the experimental setup.MonitorSampleIonization chambersMonochromator Monochromator stabilizationBeamshutterI1I0CCD-CameraFigure 1: Schematic sketch of the experimental setup.MonitorSampleIoniz