Elastomer based tunable optofluidic devices

W Song, AE Vasdekis, D Psaltis - Lab on a Chip, 2012 - pubs.rsc.org
The synergetic integration of photonics and microfluidics has enabled a wide range of
optofluidic devices that can be tuned based on various physical mechanisms. One such …

Pressure measurement methods in microchannels: advances and applications

F Shen, M Ai, Z Li, X Lu, Y Pang, Z Liu - Microfluidics and Nanofluidics, 2021 - Springer
With the continuous development of the lab-on-a-chip studies, pressure measurements in
microchannels have become the guarantee of the precise control and regulation of trace …

Optofluidic membrane interferometer: An imaging method for measuring microfluidic pressure and flow rate simultaneously on a chip

W Song, D Psaltis - Biomicrofluidics, 2011 - pubs.aip.org
We present a novel image-based method to measure the on-chip microfluidic pressure and
flow rate simultaneously by using the integrated optofluidic membrane interferometers …

Multiplexed pressure sensing with elastomer membranes

A Orth, E Schonbrun, KB Crozier - Lab on a Chip, 2011 - pubs.rsc.org
We demonstrate a novel optical pressure measurement platform for microfluidics. The
pressure sensors operate as pneumatically-tunable microlenses whose focal lengths vary …

Simple and convenient microfluidic flow rate measurement based on microbubble image velocimetry

M Tang, F Liu, J Lei, Z Ai, SL Hong, N Zhang… - Microfluidics and …, 2019 - Springer
Accuracy and precision velocimetry plays an important role at microfluidic device
application, particularly in biomedicine and chemical synthesis. However, most of the …

Electrically tunable optofluidic light switch for reconfigurable solar lighting

W Song, D Psaltis - Lab on a Chip, 2013 - pubs.rsc.org
We describe a reconfigurable lighting system for indoor solar illumination which provides a
new way for solar energy conservation. We have experimentally demonstrated an …

Measurement and control of pressure driven flows in microfluidic devices using an optofluidic flow sensor

MS Cheri, H Shahraki, J Sadeghi, MS Moghaddam… - …, 2014 - pubs.aip.org
Measurement and control of pressure-driven flow (PDF) has a great potential to enhance the
performance of chemical and biological experiments in Lab on a Chip technology. In this …

Optofluidic differential spectroscopy for absorbance detection of sub-nanolitre liquid samples

W Song, J Yang - Lab on a Chip, 2012 - pubs.rsc.org
We present a novel optofluidic differential method for carrying out absorbance spectroscopy
of sub-nanolitre volumes of liquid samples on a microfluidic chip. Due to the reduction of …

Measuring the pressures across microfluidic droplets with an optical tweezer

Y **, A Orth, E Schonbrun, KB Crozier - Optics express, 2012 - opg.optica.org
We introduce a novel technique that enables pressure measurements to be made in
microfluidic chips using optical trap**. Pressure differentials across droplets in a …

Interference-based optical measurement of fluidic flow in a hollow-core fiber

MH Lee, SH Kim, ES Kim, IK Hwang - Photonic Sensors, 2018 - Springer
In this study, we present speed and displacement measurements of micro-fluid in a hollow-
core optical fiber, where an optical interference signal is created by two guided beams …