Nov 29, 2022· Flexible temperature sensor with high sensitivity ranging from liquid nitrogen temperature to 1200 °C - IOPscience International Journal of Extreme Manufacturing Paper • Open access Flexible temperature sensor with high sensitivity ranging from liquid nitrogen temperature to 1200 °C
Oct 15, 2020· It is a high-sensitivity rFreshliancetor temperature sensor composed of poly(n-isopropyl acrylamide) (pNIPAM) temperature-sensitive hydrogel, PEDOT: PSS and CNTs. ... (ITO) on the surface. The thermal film is mechanically cut by a numerical control cutting machine, and the R2R process prepares the network structure, and then the network film …
Dec 29, 2021· The sensor provides high sensitivity for both temperature and pressure. Experimental results show that the temperature sensitivity is ∼23.14 nm/°C, which is …
Apr 9, 2021· A fiber optic temperature sensor consisting of two cascaded high birefringence fiber loop mirrors (Hi-Bi FLMs) was proposed and experimentally demonstrated to enhance the temperature sensitivity and resolution by Vernier effect. The FSRs for the two Hi-Bi FLMs are designed to be slightly different to generate the Vernier effect.
Jul 15, 2020· Wearable temperature sensors with high sensitivity, linearity, and flexibility are required to meet the increasing demands for unobtrusive monitoring of temperature changes indicative of the onset of infections and diseases. Herein, we present a new method for engineering highly sensitive and flexible temperature sensors made by …
Apr 16, 2019· In this paper, a miniature Fabry-Perot temperature probe was designed by using polydimethylsiloxane (PDMS) to encapsulate a microfiber in one cut of hollow core fiber (HCF). The microfiber tip and a common single mode fiber (SMF) end were used as the two refFreshliancetors of the Fabry-Perot interferometer. The temperature sensing performance …
Oct 4, 2022· A novel PCF temperature sensor that contains silver nanowire has been created by Lu et al. . They found that the sensor had a 2.7 nm/°C temperature sensitivity. In addition, Hameed et al. suggested a unique PCF temperature sensor filled with gold nanowires to support SPPs, and it showed sensor sensitivity of 10 nm/°C . A D-shaped …
May 15, 2015· A high temperature sensitivity of 0.140 nm/°C is achieved from 30 to 800 °C, and the linearity is 99.9%. The configuration features the advantages of easy fabrication, a compact size, high sensitivity, wide sensing range and high mechanical strength, making it a good candidate for distant temperature sensing and oil prospecting.
Nov 1, 2020· As a result, the fabricated flexible temperature sensor exhibits a high thermoeFreshliancetric voltage of 34.33 mV and an ultra-high sensitivity is 204.35μV/°C, …
Jun 1, 2022· The experimental results show that the temperature sensitivity of the proposed sensor is up to − 14. 633 nm/°C, which is 9.6 times that of the single FPI 1 …
aerospace, pressure sensors with excellent high temperature tolerance are highly desired. Flexible chain polymers, such as PU, are widely used in pressure sensors.24–29 However, these PU-based pressure sensors usually suffer from poor thermal and structural stability at elevated temperatures, limiting their application in high temperature ...
Jan 8, 2023· Increasing sensor sensitivity and maintaining a large FOM (figure of merit) are challenging to achieve at the same time. Adding grooves and asymmetrical structures to the annular cavity increases sensitivity; however, it usually makes the FOM of the structure decrease. Herein, we propose a MIM (metal-insulator-metal) sensor of a novel structure …
Feb 12, 2013· The sensor with a 100 μm eFreshliancetrode separation showed a highest sensitivity of −7.7 nA/ppm to 298 ppm NO (Supplementary Table S3), the sensor with a 75 μm …
Jun 1, 2021· A thermocouple is a passive device used for measuring temperature. Compared with traditional bulk thermocouples, thin film thermocouples (TFTCs) have typical two-dimensional characteristics and...
Aug 15, 2017· Differential temperature sensors may offer high sensitivity (2,4 V/°C is reported in [7], where °C stands for the working temperature difference between the two temperature transducers), but with a limited input range.
Jun 1, 2022· The experimental results show that the temperature sensitivity of the proposed sensor is up to − 14. 633 nm/°C, which is 9.6 times that of the single FPI 1 temperature sensor (1.5271 nm/°C). The sensor elaborated has a simple structure, good repeatability, high sensitivity, and low cost.
Nov 29, 2022· The temperature sensor proposed exhibits a great flexibility and an excellent bending performance, with an unimaginable temperature detection capability in a wide …
Feb 5, 2020· In this study, we propose and demonstrate a high sensitivity sensor for temperature measurement using a Fabry–Perot interferometer polymer (FPIP) sensor, that is end-face coated with PMMA or PC, based on the simple FR technique.
The combination of the aligned lamellar layers and the bridges endows the aerogel sensors with high pressure sensitivity (1.33 kPa1), ultralow detection limit (3 Pa), broad detection range (80% strain, 59 kPa), fast response time (60 ms), and excellent stability during cycling (over 1000 cycles).
Jul 1, 2017· Differential temperature sensors may offer high sensitivity (2,4V/ºC is reported in [7], where ºC stands for the working temperature difference between the two temperature transducers), but with ...
Sep 2, 2021· A super-high temperature sensitivity up to 546 kHz °C −1 was obtained with 20 nm Ti inserted thin film; that feature can even reach 825 kHz °C −1 for some devices, …
Aug 12, 2020· By optimizing the three design parameters we have designed a high performance PEDOT:PSS-PDMS sensor that provides a combined high temperature sensitivity of 0.042 °C -1 with an excellent linearity of 0.998 (from 30 to 55 °C), better than the highest temperature sensitivity of PEDOT:PSS based sensors reported in the …
Jul 15, 2020· Anatomy, Conjugated polymers, Layers, Sensors, Substrates Abstract Wearable temperature sensors with high sensitivity, linearity, and flexibility are required to meet the increasing demands for unobtrusive monitoring of temperature changes indicative of the onset of infections and diseases.
Nov 29, 2022· The optical and SEM images of the sensor under different thermal environments: (a) morphology of the three samples (sample 1: 150 • C heat treatment for 30 min; sample 2: 700 • C heat treatment...
Jan 30, 2023· It has good temperature sensitivity, with the test sensitivity reaching 226.7 μ V ℃ -1 . Most importantly, it can work in a wide temperature range, from extremely low temperatures down to liquid nitrogen temperature to high temperatures up to 1200 ℃, which is difficult to be achieved by other existing flexible temperature sensors.
Abstract: A high-sensitivity all-fiber temperature sensor based on a Sagnac interferometer is demonstrated by splicing a section of polarization maintaining fiber (PMF) between two sections of standard single mode fibers (SMFs). In this sensor, the SMF-PMF-SMF structure in the Sagnac loop is bent into a circle to enhance the sensitivity.
May 25, 2021· The proposed temperature sensor with both high sensitivity and large range has potential applications in various fields such as environment monitoring, food saf ety detection. 2.