Lensless imaging and sensing
High-resolution optical microscopy has traditionally relied on high-magnification and high–
numerical aperture objective lenses. In contrast, lensless microscopy can provide high …
numerical aperture objective lenses. In contrast, lensless microscopy can provide high …
Imaging without lenses: achievements and remaining challenges of wide-field on-chip microscopy
We discuss unique features of lens-free computational imaging tools and report some of
their emerging results for wide-field on-chip microscopy, such as the achievement of a …
their emerging results for wide-field on-chip microscopy, such as the achievement of a …
Lensless digital holographic microscopy and its applications in biomedicine and environmental monitoring
Optical compound microscope has been a major tool in biomedical imaging for centuries. Its
performance relies on relatively complicated, bulky and expensive lenses and alignment …
performance relies on relatively complicated, bulky and expensive lenses and alignment …
Optical imaging techniques for point-of-care diagnostics
Improving access to effective and affordable healthcare has long been a global endeavor. In
this quest, the development of cost-effective and easy-to-use medical testing equipment that …
this quest, the development of cost-effective and easy-to-use medical testing equipment that …
Maskless imaging of dense samples using pixel super-resolution based multi-height lensfree on-chip microscopy
A Greenbaum, A Ozcan - Optics express, 2012 - opg.optica.org
Lensfree in-line holographic microscopy offers sub-micron resolution over a large field-of-
view (eg,~ 24 mm^ 2) with a cost-effective and compact design suitable for field use …
view (eg,~ 24 mm^ 2) with a cost-effective and compact design suitable for field use …
Theoretical and experimental demonstration of resolution beyond the Rayleigh limit by FINCH fluorescence microscopic imaging
Fresnel Incoherent Correlation Holography (FINCH) enables holograms to be recorded from
incoherent light with just a digital camera and spatial light modulator. We previously …
incoherent light with just a digital camera and spatial light modulator. We previously …
Wide-field optical detection of nanoparticles using on-chip microscopy and self-assembled nanolenses
The direct observation of nanoscale objects is a challenging task for optical microscopy
because the scattering from an individual nanoparticle is typically weak at optical …
because the scattering from an individual nanoparticle is typically weak at optical …
Unconventional methods of imaging: computational microscopy and compact implementations
In the past two decades or so, there has been a renaissance of optical microscopy research
and development. Much work has been done in an effort to improve the resolution and …
and development. Much work has been done in an effort to improve the resolution and …
Resolution enhancement in quantitative phase microscopy
Quantitative phase microscopy (QPM), a technique combining phase imaging and
microscopy, enables visualization of the 3D topography in reflective samples, as well as the …
microscopy, enables visualization of the 3D topography in reflective samples, as well as the …
On-chip biomedical imaging
Lab-on-a-chip systems have been rapidly emerging to pave the way toward ultra-compact,
efficient, mass producible and cost-effective biomedical research and diagnostic tools …
efficient, mass producible and cost-effective biomedical research and diagnostic tools …