Lab Session A

Lab session A

 

Part I: Camera set-up and imaging (duration:1h30)

Objectives

  • Set-up camera and get familiar with concepts like field of view, depth of field, object distance, resolution , ...
  • Understand relationship between object distance and magnification for fixed focal length. 
  • Understand relationship between lighting, aperture and exposure time.
  • Understand relationship between magnification and aliasing. Impact of image prefiltering.
  • Record images for different configurations. Draw histograms. Evaluate sensor noise.
  • Make report.

Competencies

  •  The trainee is able to  prepare a DIC experiment with care by selecting the appropriate combination of camera, lenses, light,  spatial resolution and gets familiar with aliasing problems.

 

Part II: Speckle pattern generation and specimen preparation (duration:1h)

Objectives

  • acquire some basic skills for pattern generation by spray painting
  • explore the possibilities of bonded paper with printed patterns.
  • practicing with silk printing, air brushing, ...

Competencies

  • The trainee knows how to attach a good speckle pattern