scholarly journals Simultaneous in situ temperature and relative humidity monitoring in mechanical ventilators using an array of functionalised optical fibre long period grating sensors

2019 ◽  
Vol 286 ◽  
pp. 306-314 ◽  
Author(s):  
Jiri Hromadka ◽  
Nurul N. Mohd Hazlan ◽  
Francisco U. Hernandez ◽  
Ricardo Correia ◽  
A. Norris ◽  
...  
Keyword(s):  
Relative Humidity ◽  
Optical Fibre ◽  
Mechanical Ventilators ◽  
Long Period Grating ◽  
Long Period ◽  
Humidity Monitoring

Hydrogel Coated Long Period Grating Sensor for High Relative Humidity Measurement

2014 ◽  
Vol 981 ◽  
pp. 616-619 ◽  
Author(s):  
Xiu Juan Yu ◽  
Jin Tao Zhang ◽  
Xue Feng Chen ◽  
Sheng Chun Liu
Keyword(s):  
Relative Humidity ◽  
Humidity Sensor ◽  
High Sensitivity ◽  
Dip Coating ◽  
Linear Increase ◽  
High Relative Humidity ◽  
Long Period Grating ◽  
Long Period ◽  
Dip Coating Technique ◽  
Humidity Monitoring

A very sensitive hydrogel coated long period grating (LPG) humidity sensor is developed and experimentally investigated for high relative humidity monitoring. A thin-film of PINPAM hydrogel is deposited onto the cladding of LPG by using dip-coating technique. The transmission spectrum of the coated LPG is studied at different humidity levels. For humidity levels greater than 95%, the resonant dip depth suffers a sharp linear increase with a span of 10.26 dB and the resonant wavelength suffers a redshift of 8.6nm.The proposed hydrogel coated LPG humidity sensor shows a high sensitivity of 2.86dB/%RH at high relative humidity region.

Relative humidity sensor based on long period grating with agarose gel coating

2011 ◽  
Author(s):  
Yan Liu ◽  
Xiang Huang ◽  
Bo Liu ◽  
Yinping Miao ◽  
Hao Zhang ◽  
...  
Keyword(s):  
Relative Humidity ◽  
Humidity Sensor ◽  
Agarose Gel ◽  
Long Period Grating ◽  
Long Period ◽  
Relative Humidity Sensor

High relative humidity sensing using gelatin-coated long period grating

2005 ◽  
Author(s):  
Khay Ming Tan ◽  
Swee Chuan Tjin ◽  
Chi C. Chan ◽  
Lipi Mohanty ◽  
Chia Meng Tay
Keyword(s):  
Relative Humidity ◽  
High Relative Humidity ◽  
Long Period Grating ◽  
Humidity Sensing ◽  
Long Period

High relative humidity measurements using gelatin coated long-period grating sensors

2005 ◽  
Vol 110 (2) ◽  
pp. 335-341 ◽  
Author(s):  
Khay Ming Tan ◽  
Chia Meng Tay ◽  
Swee Chuan Tjin ◽  
Chi Chiu Chan ◽  
Harianto Rahardjo
Keyword(s):  
Relative Humidity ◽  
High Relative Humidity ◽  
Long Period Grating ◽  
Long Period ◽  
Humidity Measurements

Optical fibre long period grating with a nanoporous coating formed from silica nanoparticles for ammonia sensing in water

2012 ◽  
Vol 133 (2-3) ◽  
pp. 784-792 ◽  
Author(s):  
Sergiy Korposh ◽  
Roman Selyanchyn ◽  
Wataru Yasukochi ◽  
Seung-Woo Lee ◽  
Stephen W. James ◽  
...  
Keyword(s):  
Silica Nanoparticles ◽  
Optical Fibre ◽  
Long Period Grating ◽  
Ammonia Sensing ◽  
Long Period

scholarly journals Highly sensitive optical fibre long period grating biosensor anchored with silica core gold shell nanoparticles

2016 ◽  
Vol 75 ◽  
pp. 222-231 ◽  
Author(s):  
L. Marques ◽  
F.U. Hernandez ◽  
S.W. James ◽  
S.P. Morgan ◽  
M. Clark ◽  
...  
Keyword(s):  
Optical Fibre ◽  
Long Period Grating ◽  
Shell Nanoparticles ◽  
Gold Shell ◽  
Long Period ◽  
Highly Sensitive ◽  
Silica Core

scholarly journals Optical fibre long period grating gas sensor modified with metal organic framework thin films

2015 ◽  
Vol 221 ◽  
pp. 891-899 ◽  
Author(s):  
Jiri Hromadka ◽  
Begum Tokay ◽  
Stephen James ◽  
Ralph P. Tatam ◽  
Sergiy Korposh
Keyword(s):  
Thin Films ◽  
Gas Sensor ◽  
Optical Fibre ◽  
Metal Organic Framework ◽  
Long Period Grating ◽  
Long Period ◽  
Metal Organic ◽  
Organic Framework
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