QPt for DigitalMicrograph provides a digital solution to phase contrast electron microscopy. QPt is based on IATIA's QPI technology, which only requires three (3) ordinary bright-field images to obtain a quantitative phase image.

QPt will work for medium resolution electron microscopy, such as microscopic magnetic field observation, as as well as atomic resolution electron microscopy. For biological materials, various optical phase modalities, including Differential Interference Contrast (DIC), Zernike Phase Contrast (ZPC), Hoffman Modulation Contrast (HMC) and Dark-field images are available.

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• Real-space observation of a two-dimensional skyrmion crystal (Nature 465 (2010) pp.901-904) (Nature site)
• Real-Space Observation of Helical Spin Order (Science 311 (2006) pp.359-361) (Science site)
• An Approach toward Phase Electron Microscopy (IMC16, Sapporo) (PDF)
• * Phase measurement of atomic resolution image using transport of intensity equation (J Electron Microscopy 2005) (OUP site)
• * Phase Measurement in Electron Microscopy Using the Transport of Intensity Equation (Microscopy Today 2005 May) (PDF)
• Exit Wave Reconstruction in High-Resolution Electron Microscopy using the Transport of Intensity Equation (Coherence2005) (PDF)
• Transport of Intensity Equation applied to Atomic Resolution Images (EMC2004)
• Defocus Step of Through-Focus Images used to Phase Measurement in the Transport of Intensity Equation (APEM2004)

QPt (HASP HL)
• QPt v2.2 (HASP only)
  GMS 2.x ( 32bit )   GMS 1.x
  
  
• User Key Driver / Remote Update System (RUS)

• IPU plug-in (Free Software)
  
• HREM Mouse plug-in (Free Software)
  

Old Version
QPt (Sentinel)
• QPt v1.5.1 (Sentinel)
  
• User Key Driver Installer (Sentinel)
  


QPt (HASP HL)
• QPt v2.1 (HASP only)
  GMS 2.x ( 32bit )   GMS 1.x
  
  
• QPt v2.0 (HASP only)
  
• QPt v1.9 (HASP)
  
• QPt v1.5.1 (HASP)
  
• User Key Driver Installer (HASP HL/SRM v5.95)