In this Letter, a very simple, stable, and portable lensless digital holographic (DH)
microscopy method is presented relying on the Fresnel diffraction (FD) of light from a phase …

Diffraction of light beams from the phase steps due to abrupt/sharp changes in the boundary
of the steps leads to Fresnel fringes whose visibility and intensity profile depend on the …

A field-portable, single-shot and very simple method is presented for measuring the full
complex degree of coherence (CDC) of a quasi-monochromatic Schell-model field using the …

In this paper, we propose a scheme for measuring the focal length of a collimating optical
instrument. First, a mathematical model for measuring the focal length of a collimator with …

Recently, Fresnel diffraction (FD) of a plane wave from phase steps has been studied and
applied for precise measurements of the light wavelength, and height and refractive index of …

In this study, a high-precision and low-cost instrument was developed for the measurement
of the wedge angle of wedge plates. The module was designed using two prism-patterned …

In the last two decades, Fresnel diffraction (FD) of a plane wave from phase steps has been
systematically studied and applied for precise measurements of light wavelength, and height …

In the last three decades or so, we have witnessed an extraordinary progress in the research
and technology of carbonbased nanomaterials. Among the peculiar highlights are the …