Kyle Rogers
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Multi-facility comparison of InGaAs trap detector responsivity for optical fiber power Open
The absolute responsivity of an optical detector in a trap configuration has been investigated in the interest of high-accuracy fiber-coupled measurements for commercial optical fiber power meters and fiber-coupled single-photon detector c…
Practical realization of the watt from Planck’s constant using radiation pressure Open
A primary force standard is implemented to realize the watt through Planck’s constant by means of radiation pressure at the kilowatt level. The high amplification laser-pressure optic, or HALO, is a multiple reflection radiation pressure a…
Multi-kilowatt cw laser power measurement comparison between national standards Open
We present here the first comparison between National Metrology Institutes of high accuracy continuous wave optical power measurements in the kilowatt regime. The National Institute of Standards and Technology (NIST) performed measurements…
The Impact of Rural Hospital Closures and Health Service Restructuring on Provincial- and Community-Level Patterns of Hospital Admissions in New Brunswick Open
In the early 2000s, the Province of New Brunswick, Canada, undertook health system restructuring, including closing some rural hospitals. We examined whether changes in geographic access to hospitals and primary care were associated with c…
High amplification laser-pressure optic enables ultra-low uncertainty measurements of optical laser power at kilowatt levels Open
We present the first measurements of kilowatt laser power with an uncertainty less than 1%. These represent progress toward the most accurate measurements of laser power above 1 kW at 1070 nm wavelength and establish a more precise link be…
Simplified kilogram traceability for high-power laser measurement using photon momentum radiometers Open
Photon momentum radiometers measure the force imparted by a reflected laser beam to determine the laser’s optical power. This requires high-accuracy calibration of the force sensors using milligram and microgram mass artifacts. Calibrated …
View article: Micromachined Force Scale for Optical Power Measurement by Radiation Pressure Sensing
Micromachined Force Scale for Optical Power Measurement by Radiation Pressure Sensing Open
We introduce a micromachined force scale for laser power measurement by means of radiation pressure sensing. With this technique, the measured laser light is not absorbed and can be utilized while being measured. We employ silicon micromac…
A surface electromyographic examination of the serratus anterior during exercise, weight, and order-dependent variations of the bench press Open
The purpose of this study was to examine differences in the Electromyography (EMG) amplitude of the serratus anterior between the dumbbell bench press and barbell bench press, controlling for weight, order of sets, and dominance of arm. Fo…
View article: Micromachined force scale for optical power measurement by radiation\n pressure sensing
Micromachined force scale for optical power measurement by radiation\n pressure sensing Open
We introduce a micromachined force scale for laser power measurement by means\nof radiation pressure sensing. With this technique, the measured laser light is\nnot absorbed and can be utilized while being measured. We employ silicon\nmicro…
View article: Progress on Embedded Radiation Pressure Sensors for Absolute Power Measurement
Progress on Embedded Radiation Pressure Sensors for Absolute Power Measurement Open
High-accuracy power measurement of high-power lasers has traditionally involved the absorption of (ideally) all the laser energy by a large thermal mass resulting in the temperature change of that sensor. Though the measurement uncertainty…
A surface electromyographic examination of the serratus anterior during exercise, weight, and order-dependent variations of the bench press Open
The purpose of this study was to examine differences in the Electromyography (EMG) amplitude of the serratus anterior between the dumbbell bench press and barbell bench press, controlling for weight, order of sets, and dominance of arm. Fo…
Viral Marketing Strategies and Customer Buying Behavioural Intentions at Retail Store in Johannesburg Open
The advent of viral marketing in South Africa has been supply focused and retail operators did not realise the importance of including customers’ views during the creation of viral marketing strategies. Failure of these stores to incorpora…
Portable, high-accuracy, non-absorbing laser power measurement at kilowatt levels by means of radiation pressure Open
We describe a non-traditional optical power meter which measures radiation pressure to accurately determine a laser's optical power output. This approach traces its calibration of the optical watt to the kilogram. Our power meter is design…