Wavelength scale accuracy. Medical search. Frequent questions

Additional benefits include stray light, baseline flatness, wavelength and photometric accuracy and reproducibility. (edinst.com)

If this falls on an extraction region, the current energy calibration will require a wavelength-dependent zero-offset. (nasa.gov)
Select from single up to 5 different individual wavelengths, nucleic acid/protein A260/A280 ratios and set up calibration curves for concentration measurements. (edinst.com)
When you require a large area, highly uniform light source for camera and image sensor calibration, the SpectralLED® VIS SWIR Tunable Light Source delivers brightness, radiometric stability and wavelength accuracy that is unmatched in the industry. (gamma-sci.com)
Select from single wavelength and set up calibration curves with up to 8 standards for concentration measurements. (mackauraa.com)
Therefore the linearity of the absorbance scale can be checked by plotting the absorbance values for each wavelength in a diagram against the measuring values on the calibration certificate. (traycell.de)
Using US patented laser calibration technology, the instrument features +/- 2pm repeatability, +/-10pm accuracy, and 25dB dynamic range with automatic gain and threshold control adjustments. (femtosensing.com)
Using patented FAZ Technology scan-by-scan calibration, the instrument features ultimate 0.1pm absolute precision, superb repeatability of 50fm max, and absolute accuracy of 1pm (Gas Cell and MZI referenced in closed PM circuit). (femtosensing.com)
Ultimate measurements require tight control of all three calibration parameters: precision, accuracy and repeatability. (femtosensing.com)

Proprietary optical filtering techniques allows for wavelength accuracy of +/-0.25nm and repeatability of +/-0.05nm. (gamma-sci.com)
The microCETI platform features a high-precision UV-wavelength laser with high repetition rate and an advanced positioning system for three stages (donor stage, substrate stage and mask stage) and up to 16 axes to transfer every microLED with sub-two-micron positioning accuracy and nanometer-scale repeatability. (3d-micromac.com)
The full-scale (FS) accuracy and precision specifications take into account any hysteresis, non-linearities, and the repeatability of the sensor. (technicasa.com)

DIRBE measurements for wavelengths ≤ 100 m do not provide good constraints for testing model accuracy. (nasa.gov)
The new 81606A is the top of our tunable laser family, with a new level of performance for rapid wavelength dependent measurements. (keysight.com)
In their demonstrations, the researchers combined findings from the field of ultra-fast communications using chip-scale frequency comb sources, with results from the field of optical distance measurements. (techbriefs.com)
The DS5 UV-Vis Spectrophotometer is a high performance dual beam instrument that measures absorption and transmission as a function of wavelength and is suitable for many analytical applications where accuracy and precision measurements are key to your results. (edinst.com)
Based on the company's highly successful AQ6375, an optical spectrum analyzer that utilizes the dispersive spectroscopy technique *1 , the AQ6375B incorporates a number of new features that improve the accuracy of measurements made in the 1.2 to 2.4 μm wavelength range. (yokogawa.com)
There are some issues, however, that can affect the accuracy of measurements made with such instruments. (yokogawa.com)
One such issue is the negative impact that water vapor can have on the accuracy of spectra measurements in the upper near-IR wavelength region. (yokogawa.com)
The AQ6375B incorporates a number of new features that eliminate these effects and thereby improve the accuracy of measurements made in the 2 μm band. (yokogawa.com)
The Wavelength Monitor System is a multi-channel photodiode system which provides amplitude feedback and real-time wavelength measurements. (gamma-sci.com)
This wide-field technique is combined with confocal measurements within the same experimental set-up to determine emission wavelength and polarization. (nature.com)
Planck will provide even more precise measurements with an accuracy set by fundamental astrophysical limits. (scienceblogs.com)
The M8 Interrogator provides measurements across its wavelength scanning range of 40nm. (femtosensing.com)
The T210 design for both temperature and strain measurements uses a precision-made FBG written into the fibers' core for producing a transducer configuration of high linearity, resolution, accuracy, and precision. (technicasa.com)
The FAZT I4-16 Interrogator returns measurements in 1pm steps across its wavelength range. (femtosensing.com)
Applying this new device, together with 4-hourly urine collections over three days for melatonin measurements in a large scale prospective cohort study like the NHS2 is unprecedented in literature and vital for progress in light research. (cdc.gov)

Another issue is that there are some cases where the original optical spectrum cannot be accurately measured due to the effect of higher order diffracted light *3 with a longer wavelength than the input wavelength. (yokogawa.com)
Return the *uniform* sampling step for the input wavelength vector. (readthedocs.io)

These applications are associated with very stringent requirements regarding measurement speed and accuracy, as well as the size of the measurement systems. (techbriefs.com)
The more broadband the frequency combs, the higher is the measurement accuracy. (techbriefs.com)
1. Purging mechanism to eliminate water vapor inside the spectroscope The spectrum of the light under measurement can be measured with greater accuracy by eliminating the absorption of particular spectra that occurs as the result of water vapor being trapped inside the spectroscope. (yokogawa.com)
This removes the light with wavelengths that are shorter than the range of measurement wavelengths contained in the incident light. (yokogawa.com)
Method of measurement: OCS Through a questionnaire (opioid craving scale). (who.int)
Method of measurement: HAM-D Through a questionnaire (Hamilton depression measure scale). (who.int)

1 A technique whereby light with a wide range of wavelengths passes through a diffraction grating and a narrow range of wavelengths are extracted via a narrow opening. (yokogawa.com)

Other specifications include a wavelength accuracy of 1nm, noise level 0.5% T (500nm, 100%T) and stray light 0.5% (360nm NaNO 2 ). (mackauraa.com)

Ready for direct mounting steel construction exhibiting excellent wavelength to strain linearity. (technicasa.com)

The Artec Ray is perfect for your large-scale engineering and inspection, offering higher detail, precision accuracy, and lower noise than the average long-range 3D scanner. (hawkridgesys.com)
With higher detail, precision accuracy, and lower noise than the average long-range scanner, the Artec Ray is an exceptionally good fit for your large-scale engineering and inspection. (hawkridgesys.com)

In November 2007, Yokogawa launched the AQ6375, a first-of-its-kind bench-top optical spectrum analyzer that uses dispersive spectroscopy and supports the near-infrared wavelength range, and has continued to make contributions in this field. (yokogawa.com)
Simultaneous coverage across a wide wavelength range will reduce the degeneracies seen with Hubble and provide access to detections of a wide range molecules. (springer.com)
The 1998 Revision extends the valid wavelength range from (546 to 633) nm to (546 to 900) nm. (atago.net)
Although the 1961 Pierce Panel report (Keller 1961 ) emphasized high resolution radio imaging, the Panel also drew attention to the potential opportunities at millimeter wavelengths noting that "the exploitation of wavelengths from 3 cm down through the millimeter range should be encouraged and supported. (springer.com)
Moreover, it has been demonstrated that in the might thus be exploited in order to improve the performance frequency range where the wavelength is comparable with of the system. (lu.se)

Although Planck will measure the large scales more accurately and in more wavelengths than WMAP before it, that science has already been done, and Planck will only refine it, not overthrow it. (scienceblogs.com)

The SpectralLED Tunable Light Source incorporates up to 31 discrete visible wavelengths and 10 shortwave infrared wavelengths for synthesis of commercially available light sources or based on spectra that you import. (gamma-sci.com)
The extracted knowledge of large-scale nanowire synthesis will be crucial for the upscaling of nanowire-based solar cells, and the demonstrated wafer-scale characterization methods will be central for quality control during manufacturing. (lu.se)

They've figured out how to subtract the galactic foreground in all of the seven wavelength-bands where Planck operates to unprecedented sensitivity, and the science is ready to be released! (scienceblogs.com)
As a physicist working for Texas Instruments, Frank Low (Fig. 10.1 ) developed sensitive liquid helium cooled germanium bolometer detectors that promised greatly improved sensitivity at infrared and short millimeter wavelengths (Low 1961 ). (springer.com)

The industrial grade design scales well for volume production. (femtosensing.com)

Twinkle is a general observatory which will provide on-demand observations of a wide variety of targets within wavelength ranges that are currently not accessible using other space telescopes or accessible only to oversubscribed observatories in the short-term future. (springer.com)

The use of near-infrared lasers with a 2 μm wavelength is essential in laser absorption spectroscopy, and this laser emission spectrum needs to be measured with high accuracy. (yokogawa.com)
Large-scale measuring systems with spectrometers are generally used to measure the emission spectrum of near-infrared lasers in the 2 μm band. (yokogawa.com)
However, the in-plane location, polarization, and emission wavelength of such self-assembled QDs are not accurately controlled in a deterministic fashion, and thus techniques are required to determine these properties before device fabrication, in order to create optimally performing systems. (nature.com)

Optical frequency combs consist of light with a multitude of precisely defined wavelengths - the optical spectrum then resembles the teeth of a comb. (techbriefs.com)
An optical spectrum analyzer is a measuring instrument that separates the wavelength components of the light and measures the distribution of those components. (yokogawa.com)

For a wavelength {\lambda}, single layer metasurfaces of size with aperture density achieve ~96% testing accuracy on the MNIST dataset, for an optimized distance ~ to the output plane. (arxiv.org)
Indeed, the highest resolution filled aperture radio telescope at the time was the Naval Research Laboratory's (NRL) 50 foot dish, which had a 3 arcmin beam at 8 mm wavelength. (springer.com)

The optical field in many such geometries varies significantly over distances of ≈100 nm, setting a scale for how accurately the QD position should be controlled within the device for optimal interaction. (nature.com)

This demonstration was enabled by a new type of chip-scale light source developed at EPFL, which produces optical frequency combs. (techbriefs.com)
Instruments with quartz wedge compensation may be illuminated by a monochromatic light source or by an incandescent lamp filtered to produce light with an effective wavelength of 587 nm. (atago.net)
We use a light source with a wavelength of 500 nm. (lu.se)

The spatial resolution affects the quantitative accuracy of the strain maps, where BPP shows much-improved agreement with an elastic 3D finite element model compared with scanning XRD. (lu.se)

With these triple-frequency models, cycle slip detection and repair, ambiguity resolution, and positioning accuracy have been verified to be significantly improved. (hindawi.com)
Of these approaches, photoluminescence imaging is particularly attractive given its potential to combine high throughput sub-50 nm positioning accuracy, spectral information, and compatibility with high-resolution electron-beam lithography that is typically used to pattern small features such as those used in photonic crystals. (nature.com)
But the Pierce Panel was primarily motivated by the drive for higher angular resolution, which they argued could be achieved with relatively small and therefore inexpensive dishes operating at millimeter wavelengths. (springer.com)
Capable of two-color STED microscopy with lateral resolution ~50nm with excitation wavelengths 561nm and 640nm. (lu.se)

2 The use of a laser beam to irradiate molecules, which will absorb light of a particular wavelength depending on their type. (yokogawa.com)

STED laser wavelength 775nm. (lu.se)

Localization of single molecules to 10 nm scale accuracy by imaging their fluorescence onto a sensitive camera has proven to be a powerful technique in the biological sciences 11 . (nature.com)

The experimental results demonstrate that the classification accuracy of the visual-bags-of-words model is satisfactory and comparable to deep learning methods given the moderate dataset size. (usc.edu)
We show that system architecture, material structure, and input light field are intertwined and need to be co-designed to maximize classification accuracy. (arxiv.org)
Our simulations show that a single layer metasurface can achieve classification accuracy better than conventional linear classifiers, with an order of magnitude fewer diffractive features than previously reported. (arxiv.org)

Hardware implementation of peak tracking algorithms for FBG sensors including programmable gain per sensor, width/height thresholds, and distance to sensor setting for accuracy at long distance. (femtosensing.com)
The Daysimeter represents an improvement compared to conventional lightmeters because its blue sensor is calibrated toward short-wavelength visual light and because it is head- mounted (rather than wrist-mounted) to avoid significant errors in weighting retinal flux. (cdc.gov)

Although separated by several years, the geometrical observing configuration is similar between the two dates, and the Wright model predictions (red and cyan lines) for the two time intervals for wavelengths between 140 m and 1.3 cm overlay each other on this scale. (nasa.gov)

I will focus on one killer application of edge computing, and present a distributed workload-adaptive framework for low-latency high-throughput large-scale live video analytics. (usc.edu)

RDF systems can be used with any radio source, although very long wavelengths (low frequencies) require very large antennas, and are generally used only on ground-based systems. (wikipedia.org)
The slow asymptotic scaling with the number of apertures suggests a reason why such systems may benefit from multiple layer designs. (arxiv.org)
In 1962, Frank Drake recruited Texas Instruments physicist Frank Low to come to Green Bank to develop bolometer receiver systems for use at millimeter wavelengths. (springer.com)

These wavelengths are nevertheless used for marine radio navigation as they can travel very long distances "over the horizon", which is valuable for ships when the line-of-sight may be only a few tens of kilometres. (wikipedia.org)
Generally, whether the GF or GB model, the basic and also the core idea of these models is using the advantages of some extra-wide-lane (EWL)/wide-lane (WL) combinations, which usually has the characteristics of long wavelength, week ionosphere effect, or relative low noise [ 14 ]. (hindawi.com)

This classifier was tested on a real-world dataset using the gradient-based hierarchical hybrid Multi-scale Fractional Anisotropy Tensor (MFAT) filter to segment the cracks. (usc.edu)

The shorter the wavelength of the light, the finer the patterns on the wafer, which is later used to create microchips. (zeiss.com)

There are three sets of large-scale observations that simultaneously lead to this picture, again in the context of General Relativity. (scienceblogs.com)

NOTE - In all polarimeters the scale depends upon the wavelength of the light being used. (atago.net)

The Wavelength Monitor PCBA, photodiodes, and optical filter assembly is temperature stabilized using a Peltier cooler and thermistor in a PID feedback loop. (gamma-sci.com)

Results of polarimeters with other scales, e.g. circular scales (360° for the full circle) can be transformed into °Z using a quartz control plate (see 7.5). (atago.net)
Sometimes this method works well, but the individual blocks must be scaled to obtain interpretable results. (scirp.org)

This treatment involves the use of a light emitting diode with a maximum wavelength of 810 nm with a full width of up to 40 nm. (who.int)

Otherwise, it calculates the size of each pixel as the difference between the wavelength coordinates. (readthedocs.io)
[6 , 7] where it was also shown that in the -regime, where the Compton wavelength of the pion is much smaller than the size of the box, the infinite volume Lagrangian can be used for doing calculations. (lu.se)

They were able to sample the surface structure of the projectile on-the-fly, achieving micrometer accuracy by recording 100 million distance values per second. (techbriefs.com)
The knowledge of the wavelength of the instrument is, therefore, indispensable for the user in order to apply the correct "sugar value" of the quartz control plates (see 7.5), with reference to the certified values for these wavelengths. (atago.net)

It is always a challenge when building large-scale facilities like ESS to get the balance between design of the source and what it is going to be used for. (lu.se)

Thus, choose a relative energy scale, with zero at the energy of the transition without magnetic field, and show the splittings in units of µ B B along the x - axis. (lu.se)

In 2017, teams from KIT and EPFL published a joint article reporting on the potential of chip-scale soliton comb sources in optical telecommunications. (techbriefs.com)
3.2 The basis of the 100°Z point of the International Sugar Scale [3,4] is the optical rotation of the normal solution of pure sucrose (3.1) at the wavelength of the green line of the mercury isotope 198Hg (546.2271 nm in vacuo) at 20.00 °C in a 200.000 mm tube. (atago.net)
In addition, we show that by optical design and by designing the geometry of nanowire arrays, solar cells can be achieved that absorb/transmit at wavelengths that are not decided by the bandgap of the material and that can be tailored to specific requirements such as colorful windows. (lu.se)

In this study, the broad wavelength coverage of VLT/X-shooter is used to measure the stellar and mass accretion properties of 15 low-mass stars in the η Chamaeleontis association. (aanda.org)

Anatomy10

Organisms4

Diseases2

Chemicals and Drugs37

Analytical, Diagnostic and Therapeutic Techniques and Equipment120

Psychiatry and Psychology10

Phenomena and Processes51

Disciplines and Occupations14

Anthropology, Education, Sociology and Social Phenomena1

Technology, Industry, Agriculture9

Humanities1

Information Science25

Health Care37

Photometric Accuracy1

Calibration8

Repeatability3

Measurements15

Input wavelength2

Measurement6

Diffraction1

Stray light1

Linearity1

Precision2

Range5

WMAP1

Synthesis2

Sensitivity2

Industrial grade design scales1

Ranges1

Emission3

Spectrum2

Aperture2

Accurately1

Light Source3

Strain1

Resolution4

Beam1

Laser1

Molecules1

Classification3

Sensor2

Time1

High1

Systems3

Long2

Dataset1

Wafer1

Observations1

Note1

Temperature1

Results2

Width1

Size2

Values2

Large1

Energy1

Optical3

Measure1