Search Results - "Bober, Marcin"
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Dynamical decoupling of laser phase noise in compound atomic clocks
Published in Communications physics (20-10-2020)“…The frequency stability of many optical atomic clocks is limited by the coherence of their local oscillator. Here, we present a measurement protocol that…”
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Nosema Ceranae Interactions with Nosema apis and Black Queen Cell Virus
Published in Agriculture (Basel) (01-10-2021)“…Nosema ceranae is a relatively new pathogen of the honeybee (Apis mellifera) and the course of type C nosemosis (the disease that it causes) is not entirely…”
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Photoionization cross sections of ultracold 88 Sr in 1 P 1 and 3 S 1 states at 390 nm and the resulting blue-detuned magic wavelength optical lattice clock constraints
Published in Optics express (06-06-2022)“…We present the measurements of the photoionization cross sections of the excited 1 P 1 and 3 S 1 states of ultracold 88 Sr atoms at 389.889 nm wavelength,…”
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Cavity mode-width spectroscopy with widely tunable ultra narrow laser
Published in Optics express (02-12-2013)“…We explore a cavity-enhanced spectroscopic technique based on determination of the absorbtion coefficient from direct measurement of spectral width of the mode…”
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Pressure and temperature dependencies of air-perturbed O 2 B-band line shapes
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (01-12-2023)Get full text
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Minimum contrast PCI using a guide extension catheter and IVUS with Philips SyncVision co-registration
Published in Kardiologia polska (1957) (01-01-2024)Get full text
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Pressure and temperature dependencies of air-perturbed O2 B-band line shapes
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (15-12-2023)“…The air-broadened lines from the oxygen B band were measured for the first time in controlled laboratory conditions with a high signal-to-noise ratio using…”
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Absolute measurement of the 1S0 − 3P0 clock transition in neutral 88Sr over the 330 km-long stabilized fibre optic link
Published in Scientific reports (07-12-2015)“…We report a stability below 7 × 10 −17 of two independent optical lattice clocks operating with bosonic 88 Sr isotope. The value (429 228 066 418 008.3(1.9)…”
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Accuracy budget of the 88 Sr optical atomic clocks at KL FAMO
Published in Physica scripta (01-08-2016)Get full text
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Accuracy budget of the 88Sr optical atomic clocks at KL FAMO
Published in Physica scripta (01-08-2016)“…This paper presents a detailed accuracy budget of two independent strontium optical lattice clocks at the National Laboratory FAMO (KL FAMO) probed with a…”
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The design of an ultra-stable cavity with crystalline mirror coatings for atomic optical clock
Published in 2022 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS) (24-04-2022)“…We present the design of the room temperature, 30 cm ultra-stable cavity system with crystalline mirror coatings for atomic optical clock…”
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Conference Proceeding -
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Mechanical losses and stability performance of NEXCERA in ultra-stable laser cavities
Published 21-09-2024“…NEXCERA has been recently introduced as novel ceramic-based material for spacers of ultra-stable laser cavities with a zero-crossing coefficient of thermal…”
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Experimental Set-Up for Loading Sr Atoms into a Hollow-Core Fiber for Continuous Operation of Optical Clocks
Published in 2024 European Frequency and Time Forum (EFTF) (25-06-2024)“…We present a recent progress regarding an experimental system for loading Sr atoms into hollow-core fiber (HCF) for continuous operation of optical clocks…”
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Conference Proceeding -
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Automatic Real-time Control of Magnetic Field in an Optical Atomic Clock
Published in 2022 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS) (24-04-2022)“…SummaryWe present a compact device which is capable to automatically and in real-time controls the magnetic field in an optical atomic clock. The device is…”
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Conference Proceeding -
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Engineering the sensitivity of macroscopic physical systems to variations in the fine-structure constant
Published 18-05-2023“…EPL 136 58001 (2021) Experiments aimed at searching for variations in the fine-structure constant $\alpha$ are based on spectroscopy of transitions in…”
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Ultimate stability of active optical frequency standards
Published 26-10-2022“…Active optical frequency standards provide interesting alternatives to their passive counterparts. Particularly, such a clock alone continuously generates…”
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Photoionization cross sections of ultracold $^{88}$Sr in $^1$P$_1$ and $^3$S$_1$ states at 390 nm and the resulting blue-detuned magic wavelength optical lattice clock constraints
Published 01-06-2022“…Opt. Express 30, 21423-21438 (2022) We present the measurements of the photoionisation cross sections of the excited $^1$P$_1$ and $^3$S$_1$ states of…”
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Towards black body radiation shift uncertainty in optical lattice clocks at 10−18 level at room temperatures
Published in 2017 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS) (01-07-2017)“…We present current status of work on blackbody radiation impact on ultra-narrow optical resonances. The emissivities of the most popular materials, which are…”
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Conference Proceeding -
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Reducing blackbody radiation shift uncertainty in optical lattice clocks
Published in 2018 European Frequency and Time Forum (EFTF) (01-04-2018)“…We present an approach to reducing blackbody radiation shift uncertainty in optical lattice clocks based on precise temperature measurements and thermal…”
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Conference Proceeding