Navigation Links
Small optical force can budge nanoscale objects
Date:11/17/2009

with it the attractive force. So parallel waveguides close together, each carrying a light beam, are drawn even closer, rather like two streams of rainwater on a windowpane that touch and are pulled together by surface tension.

The researchers created a structure consisting of two thin, flat silicon nitride rings about 30 microns (millionths of a meter) in diameter mounted one above the other and connected to a pedestal by thin spokes. Think of two bicycle wheels on a vertical shaft, but each with only four thin, flexible spokes. The ring waveguides are three microns wide and 190 nanometers (nm billionths of a meter) thick, and the rings are spaced 1 micron apart.

When light at a resonant frequency of the rings, in this case infrared light at 1533.5 nm, is fed into the rings, the force between the rings is enough to deform the rings by up to 12 nm, which the researchers showed was enough to change other resonances and switch other light beams traveling through the rings on and off.

When light in both rings is in phase the peaks and valleys of the wave match the two rings are pulled together. When it is out of phase they are repelled. The latter phenomenon might be useful in MEMS, where an ongoing problem is that silicon parts tend to stick together, Lipson said.

An application in photonic circuits might be to create a tunable filter to pass one particular optical wavelength, Wiederhecker suggested.


'/>"/>

Contact: Blaine Friedlander
bpf2@cornell.edu
607-254-8093
Cornell University
Source:Eurekalert

Page: 1 2

Related biology technology :

1. US Government Awards Contract to Bavarian Nordic for the Development of Freeze-Dried IMVAMUNE(R) Smallpox Vaccine
2. Haft Group says Bullish Commodity Market Triggers Small and Micro-cap Upsurge
3. Smallest nanoantennas for high-speed data networks
4. Fate Therapeutics Announces Creation of Small Molecule Platform for Commercial Scale Reprogramming
5. Neogen Again Named to Forbes List of Best Small Companies
6. Small ... smaller ... smallest? ASU researchers create molecular diode
7. Researchers create smaller and more efficient nuclear battery
8. Genedata Screener Supports Small Molecule Research at the Broad Institute of Harvard and MIT
9. New NIST nano-ruler sets some very small marks
10. Poniard Pharmaceuticals Announces Pivotal Phase 3 SPEAR Trial Evaluating Picoplatin in Small Cell Lung Cancer Reaches 320th Event Target
11. Reportlinker Adds Small Molecule Kinase Inhibitors Report
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/11/2014)... 11, 2014 /CNW/ - Sunovion Pharmaceuticals Canada Inc. (Sunovion) ... (eslicarbazepine acetate) for use as a once-daily adjunctive therapy ... epilepsy who are not satisfactorily controlled with conventional therapy. ... patients under 18 years of age. ... and according to Epilepsy Canada, it affects 0.6% of ...
(Date:7/10/2014)... (PRWEB) July 10, 2014 Product ... in very low abundance and are often “lost ... and time-consuming. , Join presenters Dr. Rowel Tobias, ... Dr. John Anders, Head of Quality at Nanotherapeutics, ... approach that can speed detection and quantitation while ...
(Date:7/10/2014)... San Francisco, CA (PRWEB) July 10, 2014 ... a family closer together. The Archer Family purchased ... information contained within DNA, but ended up with a ... surprising discoveries contained within the family members’ DNA genuinely ... family had decided to search deeper into genetic history ...
(Date:7/10/2014)... 2014 Senior supply chain management executives ... addressed the challenges of “Reducing Cost, Lead Time, & ... strategic sourcing. Describing the partnership of the Bio Supply ... Management Institute ( SCMI) of the University of ... at the Kroc Institute of Peace and Justice in ...
Breaking Biology Technology:Sunovion Pharmaceuticals Canada Inc. Announces Health Canada Approval of APTIOM(TM) (eslicarbazepine acetate) as a Once-Daily Adjunctive Treatment for Partial-Onset Seizures in Patients with Epilepsy 2Sunovion Pharmaceuticals Canada Inc. Announces Health Canada Approval of APTIOM(TM) (eslicarbazepine acetate) as a Once-Daily Adjunctive Treatment for Partial-Onset Seizures in Patients with Epilepsy 3Sunovion Pharmaceuticals Canada Inc. Announces Health Canada Approval of APTIOM(TM) (eslicarbazepine acetate) as a Once-Daily Adjunctive Treatment for Partial-Onset Seizures in Patients with Epilepsy 4Novel Ms Techniques Speed Detection of Biopharmaceutical Product and Process Impurities, New Webinar Hosted by Xtalks 2Ancestry DNA Test Reveals a Controversial and Undiscovered Family History 2Ancestry DNA Test Reveals a Controversial and Undiscovered Family History 3Ancestry DNA Test Reveals a Controversial and Undiscovered Family History 4Ancestry DNA Test Reveals a Controversial and Undiscovered Family History 5Biotech & Biopharm Supply Chain Management Executives Launch BSMA in San Diego 2Biotech & Biopharm Supply Chain Management Executives Launch BSMA in San Diego 3Biotech & Biopharm Supply Chain Management Executives Launch BSMA in San Diego 4
... Stevens, Ph.D. , Use ... Scott Stevens, Ph.D ., assistant professor of molecular genetics and ... University Station, #A4800,2500 Speedway,Austin,TX , 78712-1095,512.232.4303, , ... scott.stevens@mail.utexas.edu. , ...
... By J. Doyle, L. Johnstone and L. Cottis, ... AGEN Biomedical Ltd. Queensland, Australia, ,http://www.agen.com.au ... The CelliGen Plus immobilized-bed perfusion ... as an alternative to in vivo production. This,system best represented a production facility ...
... , ... advanced new benchtop fermentor and cell culture,bioreactor system has been ... control by,integrating data from up to 11 external devices*. This ... sensors, and so on, can be directly added and,cascaded with ...
Cached Biology Technology:Fermentation Cell Culture: University Style 2Fermentation Cell Culture: University Style 3Fermentation Cell Culture: University Style 4Fermentation Cell Culture: University Style 5Fermentation Cell Culture: University Style 6Fermentation Cell Culture: University Style 7Fermentation Cell Culture: University Style 8Fermentation Cell Culture: University Style 9Gram Quantities of MAb Produced with Simple Bioreactor in Serum-Free Perfusion Culture Replacing Ascitic Fluid Production 2Optimizing Your Benchscale Fermentation Process 2Optimizing Your Benchscale Fermentation Process 3
(Date:7/11/2014)... started near the City of Entiat on Tuesday, July ... fire quickly grew to over 1,000 acres by evening. ... is under investigation by the Washington Department of Natural ... local resources in developing fire control strategies and tactics. ... State Department of Natural Resources, (WA DNR), Bureau of ...
(Date:7/11/2014)... researchers at the National Institute of Standards and ... their work more effectively, they often prove that ... was the case recently for M. Lorna De ... the growing specialization of glycomics. Glycomics is the ... glycans that are attached to proteins and lipids ...
(Date:7/11/2014)... Sweden, have explored two different ways that allow ... to the formation of oxygen molecules in photosynthesis. ... scientific journal Nature Communications . , "The ... catalysts for water oxidation, which are key components ... storage of solar energy in fuels like hydrogen, ...
Breaking Biology News(10 mins):Molecular snapshots of oxygen formation in photosynthesis 2
... Cambridge, Mass. April 28, 2011 A project to ... a $100,000 grant from The Bill & Melinda Gates Foundation ... affiliate of the Harvard School of Engineering and Applied Sciences ... the aim is to develop a Microbial Fuel Cell-based charger ...
... new study shows for the first time that monkeys can ... ability is critical to our understanding of the evolution of ... to better diagnosing and treating memory impairments in humans. ... Primate Research Center researchers Ben Basile and Robert Hampton was ...
... is pleased to announce BIOLOGY OPEN (BiO), a new ... all aspects of the biological sciences including cell science, ... to provide rapid publication for peer reviewed, scientifically sound ... BIOLOGY OPEN will address some big issues in publishing ...
Cached Biology News:Harvard's engineering school receives $100,000 Grand Challenges Explorations grant 2Harvard's engineering school receives $100,000 Grand Challenges Explorations grant 3Monkey recall memory mirrors that of humans 2Announcing BIOLOGY OPEN from the Company of Biologists 2
Membrane Proteins from over 50 different human Alzheimer, Diabetic, Liver Cirrhosis, and Lupus diseased tissues are available....
... is a new product number, ... product number. If showing no ... the old Sigma-Aldrich number (Z71,523-9) ... assistance. ID clarifier: reusable vial ...
This modular laminar flow hood forces air through a 99.99% efficient HEPA filter to create a clean processing area. Configurations are available with vertical or horizontal flow; options include a wo...
...
Biology Products: