Development of spatial and temporal phase evaluation techniques in digital holography 1

... types of holographic techniques, such as off-axis digital holography (Schnars and Jüptner, 19 94a, 19 94b, 2002) and phase- shifting digital holography (Creath, 19 85; Yamaguchi and Zhang, 19 97; ... reviewed In the last part, CHAPTER ONE INTRODUCTION different spatial and temporal phase evaluation techniques are reviewed, and a postprocessing with spati...

Ngày tải lên: 11/09/2015, 09:57

... two main types of phase evaluation techniques, i.e., spatial and temporal phase evaluation methods Typical spatial phase evaluation techniques are Fourier transform method, phase scanning approach, ... fringe patterns with phase shift of 0, π , π and 3π , and Fig 2. 21(b) shows a wrapped phase map extracted by using the phase- shifting technique 00 90 0...

Ngày tải lên: 11/09/2015, 09:57

... advantage in using the integration method is that after the phase of each pixel at each instant is determined by Eq (3. 38), phase unwrapping is not required in both temporal and spatial domains This ... phase- shifting error using the proposed algorithms in phase- shifting digital holography 81 CHAPTER THREE DEVELOPMENT OF THEORY 3. 3 Extension of the depth of...

Ngày tải lên: 11/09/2015, 09:57

... holograms in phase- shifting digital holography is shown in Fig 4. 11 A linearly polarized laser beam (the wavelength of 635 nm) is collimated by using a spatial filter and a lens, and is then divided into ... in digital holography, and Fig 4. 10 shows a top view of the specimen and an area of interest (inside the black box) The concrete dimension is discussed...

Ngày tải lên: 11/09/2015, 09:57

... -51 -52 -53 -54 10 20 30 40 Pixel (b) -52 .7 -52 .8 -52 .9 Phase (Rad) -53 -53 .1 -53 .2 -53 .3 -53 .4 -53 .5 -53 .6 -53 .7 10 20 30 40 Pixel (c) Figure 5. 25 Phase variation along section A-A by (a) digital ... in Fig 5. 8(d) 50 100 100 Pixel Pixel 50 150 150 200 200 250 250 50 100 Pixel 150 200 50 100 Pixel 150 200 (b) (a) 50 Pixel 100 150 200 250 50 100 Pixel (c) 150 200...

Ngày tải lên: 11/09/2015, 09:57

... CONCLUSIONS AND FUTURE WORK (4) In the temporal domain, detection and compensation of phase- shifting error in phase- shifting digital holography are also investigated Three novel methods, such ... step of the proposed algorithm plays an important role in the search of the phase- shifting error, and the proposed method can accurately detect the phase- shifting erro...

Ngày tải lên: 11/09/2015, 09:57

... variation of point B5; (b) wrapped phase value of point B5 and (c) continuous phase profile after unwrapping (point B5) 146 (a) Wrapped phase in spatial coordinate at 0.12s; (b) continuous phase ... value of point A6; (c) continuous phase profile after unwrapping (point A6) 151 Figure 5.46 (a) Wrapped phase in spatial coordinate at 0.092s; (b) continuous phase map obta...

Ngày tải lên: 16/09/2015, 17:14

... following work (i) Automatic allocation of line buffers and frame buffers for embedded block RAMs and external RAMs, respectively (ii) Automatic address generation and interfaces for the two memory hierarchies ... width of the GMO, nlines is the number of required memory objects for an operator, and w p is the bit width representing a pixel The length of the GM...

Ngày tải lên: 22/06/2014, 22:20

... VT Alaganar Australian School of Business School of Banking and Finance Level 3, Room 349 9385-5856 vt.alaganar@iinet.net.au TBA The preferred communication with the course coordinator is via ... Student Learning Outcomes 1 1 LEARNING AND TEACHING ACTIVITIES 3.1 Approach to Learning and Teaching in the Course 3.2 Learning Activities and Teaching Strategies Error!...

Ngày tải lên: 20/06/2014, 14:20

... objective of this study is to develop optical phase evaluation techniques for fringe projection and digital speckle measurement, and to overcome existing problems in the area of optical fringe analysis ... developing process Digital speckle method refers to a broad range of speckle metrology techniques including TV holography (Butters and Leender...

Ngày tải lên: 16/09/2015, 08:30

... drop -in- drop system The aqueous phase of the outer drop contained the analyte of interest and was continuously delivered and aspirated away throughout the sampling The analytical response of the instrument ... involves the use of hollow fiber combination with liquid- phase microextraction It can be categorized into two- ii phase microextraction, and thr...

Ngày tải lên: 17/09/2015, 17:20

... or digital, the configurations of the recording system can be categorized into two kinds: in- line and off-axis Applications of in- line system are generally limited due to its interactive influence ... phase extraction methods -temporal analysis techniques 2.6 Temporal phase unwrapping of digital holograms As mentioned in the introduction chapter, digital holographic...

Ngày tải lên: 03/10/2015, 21:55

... as: Lin et al.: Spatial and temporal EEG dynamics of dual-task driving performance Journal of NeuroEngineering and Rehabilitation 2011 8:11 • Inclusion in PubMed, CAS, Scopus and Google Scholar ... Coherence of Fluctuations in Performance and EEG Spectrum Electroencephalogy Clin Neurophysiol 1993, 86:23-35 31 Makeig S: Auditory event-related dynamics of the EE...

Ngày tải lên: 19/06/2014, 08:20

... by, ρv = ρa d (2) Results Temporal and spatial dynamics of C obsidiansis biofilm formation To visualize the process of biofilm formation by C obsidiansis on a model cellulose substrate, cells ... doi:10.1186/2191-0855-1-30 Cite this article as: Wang et al.: Spatial and temporal dynamics of cellulose degradation and biofilm formation by Caldi...

Ngày tải lên: 20/06/2014, 23:20

... al and giving a more realistic view of total diversity [1] The use of internal transcribed spacer (ITS) primers to amplify fungal ITS of rDNA was originally described by White et al [32] and ... noticeable shifts in the young beech and native forest stands At the beginning of the study, a specific fungal community was found in the beech stand while its structure...

Ngày tải lên: 07/08/2014, 16:20