We describe an invention that enables fast, reproducible, tunable, and low-cost fabrication of optical resonators. Our resonators have performance on par with the best existing optical whispering-gallery-type resonators, but our fabrication technique is dramatically simpler than all existing...

An optical meter includes a force member to receive a force and a reflector disposed on the force member to receive readiation and to communicate a pressure of the radiation to the force member. The reflector includes a reflective surface, and the force member is configured to be displaced in...

Embodiments of the present invention provide an inexpensive and fast pulse characterization platform capable of real time operation, suitable for acquisition of single-photon data. Embodiments of the present invention include both a digital multi-channel data acquisition instrument and an analog...

Gyroscopes sense rotation. In combination with magnetometers, gyroscopes are used in inertial navigation and platform stabilization applications. Our invention is the first to demonstrate simultaneous measurement of rotation, rotation angle and acceleration with a single source of atoms. Multiple...

Methods for the formation of liposomes that encapsulate reagents in a continuous 2-phase flow microfluidic network with precision control of size, for example, from 100 nm to 300 micrometer, by manipulation of liquid flow rates are described. By creating a solvent aqueous interfacial region in a...

An optical resonator by which reflectivity of ring down cavity mirrors can be altered and enhanced by adding external optical cavities that recycle light to the main cavity. A coupled-cavity ring-dwon spectroscopy (CCRDS) is used for controlling the finesse of an optical resonator. Applications...

A method and apparatus for detecting slow neutrons by monitoring Lyman alpha radiation produced by the .sup.3He(n,tp) nuclear reaction induced by neutrons incident on a gas cell containing .sup.3He or a mixture of .sup.3He and other atoms and/or molecules. Such a method and/or apparatus includes...

Through modeling study we first noticed that the sensitivity of ellipsometry measurement of polymer thin films reached a maximum at certain film thickness; later on we realized that this high sensitivity could also be achieved when part of the polymer film thickness was substituted with a silicon...

A bioreactor device, and method and system for fabricating tissues and growing cells and tissues in the bioreactor device, accommodates less than about 1 mL (or less than about 200 microliters) of local medium volume but sample sizes of about 100 microliters or greater. The bioreactor device...

We have demonstrated a broadband coherent anti-Stokes Raman scattering (BCARS) microscope that very rapidly acquires signal through a novel and highly efficient approach to signal generation. This approach uses the combination of a narrowband laser pulse and a broadband laser pulse to...

The new NIST detector senses very small phase shifts in a highly balanced microwave bridge. An electric field optimized microwave probe, in close proximity to a sample, serves to perturb the degree of bridge balance due to a change in effective dielectric constant of the sample. The major...

A polymeric composition comprising modified-TiO2 nanoparticles, with ot without a solvent, and polymeric precursors; wherein the moDified TiO2 nanoparticles comprise titanium dioxide nanoparticles modified with a short chain unsaturated compound comprising 2 to 10 carbon atoms. The polymeric...

An ElectroMagnetic-Mechanical Pulser can generate electron pulses at rates up to 50 GHz, energies up to 1 MeV, duty cycles up to 10%, and pulse widths between 100 fs and 10 ps. A modulating Transverse Deflecting Cavity (“TDC”) imposes a transverse modulation on a continuous electron beam, which is...

A photon detector article includes a photon detector configured to receive a primary waveform, the photon detector includes a multiplication region; a photon absorption region; a punch through voltage range; and a breakdown voltage; a source in electrical communication with the photon detector and...

An optical parametric oscillator produces optical parametric light and includes a frequency splitter to produce signal light and idler light; a wavelength selector to select a wavelength of the signal light and to produce optical parametric light from the selected wavelength of the signal light;...

A detector mask transmits selectively a plurality of probe particles to a particle detector, the detector mask includes: a plate including a plate wall disposed in the plate and enclosing a transmission orifice arranged in a transmission profile to: transmit probe particles having a trajectory...

A radiometer includes a substrate; a radiation absorber disposed on the substrate to absorb radiation; a thermal member disposed on the substrate to change electrical resistance in response to a change in temperature of the radiometer; and a thermal link to connect the radiometer to a thermal...

A novel AC technique in cavity ringdown spectroscopy that permits IXIO-IO absorption sensitivity with microwatt level light power has been developed. Two cavity modes, one probing the empty cavity and the other probing intracavity absorption, are excited simultaneously, but their intensities are...

A stationary phase for a liquid chromatograph and process for making is provided. The stationary phase material may have a modified base substrate and a fluorinated carboxylic acid covalently bonded thereto through an amide or ester bond. The stationary phase may have a substantially consistent...

A laser was used to modify the charge on the surface(s) of a preformed polymeric microchannel (e.g. imprinted, embossed, injection molded, ablated, etc.). It is shown that the fluid flow induced by an electric field applied along the length of the channel increases in velocity in the regions that...

A cold cathode field emission electron source capable of emission at levels comparable to thermal sources is described. Emission in excess of 6 A/cm2 at 7.5 V/µm is demonstrated in a macroscopic emitter array. The emitter is comprised of a monolithic and rigid porous semiconductor nanostructure...

A method of comb-based spectroscopy with synchronous sampling for real-time averaging includes measuring the full complex response of a sample in a configuration analogous to a dispersive Fourier transform spectrometer, infrared time domain spectrometer, or a multiheterodyne laser spectrometer. An...

Cellular imaging technologies rely heavily on the use of fluorescence staining in a wide array of various techniques and assays. Whole-cell staining serves as a practical means of cell tracking, cell counting, andcell phenotyping for techniques such as High Content Screening (HCS) or quantitative...

A magnetic connector assembly for microfluidic devices comprises a first magnetic connector with at least one orifice extending therethrough and a second magnetic connector. The first and second connectors are configured to magnetically attract each other. In one aspect, the first mangetic...

Low-loss superconducting devices and methods for fabricating low loss superconducting devices. For example, superconducting devices, such as superconducting resonator devices, are formed with a (200)-oriented texture titanium nitride (TiN) layer to provide high Q, low loss resonator structures...

A novel nanofluidic device with a continous etch depth gradient will be fabricated using grayscale photolithography, resulting in new and enhanced methods to manipulate, seperate and analyze individual molecules in biological mixture from a single cell.

The fabrication and construction of a solid-state nanopore device for uniquely identifying molecules in solution is described. The device is comprised of a glass nanotube derived from a silicon nanowire grown on a suspended glass membrane. Molecules in fluid are able to pass through the glass tube...

A nanowire article includes a substrate; a plurality of nanowires disposed on the substrate, the nanowires comprising a semiconductor nitride, the semiconductor comprising an element selected from group 3 of the periodic table; and a superlattice layer interposed between the substrate and the...