Resources

Kunzler, M., Udd, E., Kreger, S., Johnson, M., Henrie, V. (2005). Damage Evaluation and Analysis of Composite Pressure Vessels Using Fiber Bragg Gratings to Determine Structural Health. Proc. SPIE 5758, Smart Structures and Materials 2005: Smart Sensor Technology and Measurement Systems, (16 May 2005); doi: 10.1117/12.599890; https://doi.org/10.1117/12.599890.

Udd, E., Winz, M., Kreger, S., Heider, D. (2005). Failure Mechanisms of Fiber Optic Sensors Placed in Composite Materials. Proc. SPIE 5758, Smart Structures and Materials 2005: Smart Sensor Technology and Measurement Systems, (16 May 2005); doi: 10.1117/12.603626; https://doi.org/10.1117/12.603626.

Kunzler, M., Udd,E., Johnson, M., Mildenhall, K. (2005). Use of Multidimensional Fiber Grating Strain Sensors for Damage Detection in Composite Pressure Vessels. Proc. SPIE 5758, Smart Structures and Materials 2005: Smart Sensor Technology and Measurement Systems, (16 May 2005); doi: 10.1117/12.597633; https://doi.org/10.1117/12.597633.

Calvert, S., Mooney, J. (2004). Bridge structural health monitoring system using fiber grating sensors: development and preparation for a permanent installation. Proc. SPIE 5391, Smart Structures and Materials 2004: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, (29 July 2004); doi: 10.1117/12.541934; https://doi.org/10.1117/12.541934.

Calvert, S. (2004). High speed dual-axis strain using a single fiber Bragg grating. Proc. SPIE 5384, Smart Structures and Materials 2004: Smart Sensor Technology and Measurement Systems, (27 July 2004); doi: 10.1117/12.542838; https://doi.org/10.1117/12.542838.

Kunzler, W., Calvert, S., Laylor, M. (2004). Implementing fiber sensors to monitor humidity and moisture. Proc. SPIE 5384, Smart Structures and Materials 2004: Smart Sensor Technology and Measurement Systems, (27 July 2004); doi: 10.1117/12.542818; https://doi.org/10.1117/12.542818.

Bartow, M., Calvert, S., Bayly, P. (2003). Fiber Bragg Grating Sensors for Dynamic Machining Applications. Proc. SPIE 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop, (20 November 2003); doi: 10.1117/12.544376; https://doi.org/10.1117/12.544376.

Kunzler, W., Calvert, S., Laylor, M. (2003). Measuring Humidity & Moisture with Fiber Optic Sensors. Proc. SPIE 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop, (20 November 2003); doi: 10.1117/12.544396; https://doi.org/10.1117/12.544396.

Davol, K., Udd, E., Kreger, S., Kunzler, M., Laylor, M., Heider, D., Yu, Z. (2003). Monitoring of Advanced Composite Weave Structures Using Multi-Axis Fiber Grating Strain Sensors. Proc. SPIE 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop, (20 November 2003); doi: 10.1117/12.544457; https://doi.org/10.1117/12.544457.

Udd, E., Kreger, S., Calvert, S,. Kunzler, M., Taylor, T. (2003). Nondestructive Evaluation of Composite Materials Using Multi-axis Fiber Grating Stain Sensors Proc. SPIE 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop, (20 November 2003); doi: 10.1117/12.544357.

Calvert, S., Conte, J., Moaveni, B., Schulz, W., Callafon, R. (2003). Real time damage assessment using fiber optic grating sensors. Proc. SPIE 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop, (20 November 2003); doi: 10.1117/12.544455; https://doi.org/10.1117/12.544455.

Kunzler, M., Udd, E., Taylor, T., Kunzler, W. (2003). Traffic Monitoring Using Fiber Optic Grating Sensors On the I-84 Freeway & Future Uses in WIM. Proc. SPIE 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop, (20 November 2003); doi: 10.1117/12.544456; https://doi.org/10.1117/12.544456.

Kreger, S., Calvert, S., Udd, E. (2003). Optical Frequency Domain Reflectometry for High Density Multiplexing of Multi- Axis Fiber Bragg Gratings OFS 16, Nara, Japan.

Yamate, T., Schroeder, R., Ramos, R., Udd, E. (2003). Separation method of dual peaks produced by birefringence using polarization control OFS 16, Nara, Japan.

Udd, E., Calvert, S., Kunzler, M. (2003). Usage of Fiber Grating Sensors to Preform Critical Measurements of Civil Infrastructure. Proceedings of OFS 16, Nara, Japan.

Laylor, H., Calvert, S., Taylor, T., Schulz, W., Lumsden, R., Udd, E. (2002). Fiber optic grating moisture and humidity sensors. Proc. SPIE 4694, Smart Structures and Materials 2002: Smart Sensor Technology and Measurement Systems, (27 June 2002); doi: 10.1117/12.472620;https://doi.org/10.1117/12.472620.

Kreger, S., Calvert, S., Udd, E. (2002). High Pressure Sensing Using Fiber Bragg Gratings Written in Birefringent Side Hole Fiber. 15th Optical Fiber Sensors Conference Technical Digest. OFS 2002(Cat. No.02EX533).

Udd, E. (2002). How to Start a Small High Tech Business in Troutdale, Oregon?. 15th Optical Fiber Sensors Conference Technical Digest. OFS 2002(Cat. No.02EX533).

Udd, E., Black, K., Schulz, W., Kreger, S., Kunzler, M. (2002). In-Situ Evaluation of Composite Structural Performance in Presence of High Stress/Strain Gradients Using Multi-axis Fiber Grating Strain Sensors. 15th Optical Fiber Sensors Conference Technical Digest. OFS 2002(Cat. No.02EX533).

Schulz, W., Conte, J., Udd, E., Kunzler, M. (2002). Structural Damage Assessment Via Modal Property Identification using Macro-Strain Measurements with Fiber Bragg Gratings as an Alternative to Accelerometers. 15th Optical Fiber Sensors Conference Technical Digest. OFS 2002(Cat. No.02EX533).

Yamate, T., Ramos, R., Schroeder, R., Madhavan, R., Balkunas, S., Udd, E. (2002). Transversely loaded Bragg grating pressure transducer with mechanically enhancing the sensitivity. 15th Optical Fiber Sensors Conference Technical Digest. OFS 2002(Cat. No.02EX533).

Black, K., Udd, E., Schulz, W., Kreger, S., Kunzler, M., Taylor, T., Lumsden, R., Heider, D., Yu, Z. (2002). Using Multi-Axis Fiber Grating Strain Sensors To Measure Transverse Strain and Transverse Strain Gradients In Composite Materials with Complex Weave Structures. Proc. SPIE 4694, Smart Structures and Materials 2002: Smart Sensor Technology and Measurement Systems, (27 June 2002); doi: 10.1117/12.472613; https://doi.org/10.1117/12.472613.

Kunzler, M., Edgar, R., Udd, E., Taylor,T., Schulz, W., Kunzler, W., Soltesz, S. (2002). Fiber Grating Systems for Traffic Monitoring. Proc. SPIE 4696, Smart Structures and Materials 2002: Smart Systems for Bridges, Structures, and Highways, (28 June 2002); doi: 10.1117/12.472559;https://doi.org/10.1117/12.472559.

Perez, I., Cui, H., Udd, E. (2001). Acoustic Emission Detection Using Fiber Bragg Gratings. Proc. SPIE 4328, Smart Structures and Materials 2001: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (6 August 2001); doi: 10.1117/12.435542;https://doi.org/10.1117/12.435542.

Schulz, W., Conte, J., Udd, E. (2001). Long Gage Fiber Optic Bragg Grating Strain Sensors to Monitor Civil Structures. Proc. SPIE 4330, Smart Structures and Materials 2001: Smart Systems for Bridges, Structures, and Highways, (30 July 2001); doi: 10.1117/12.434156;https://doi.org/10.1117/12.434156.

Seim, J., Udd, E., Schulz, W., MacMahon, R., Soltesz, S., Laylor, M. (2000). Development and Deployment of Fiber Optic Highway and Bridge Monitoring Systems. Proc. SPIE 3995, Nondestructive Evaluation of Highways, Utilities, and Pipelines IV, (9 June 2000); doi: 10.1117/12.387840; https://doi.org/10.1117/12.387840.

Udd, E. (2000). Monitoring Trucks, Cars and Joggers on the Horsetail Falls Bridge Using Fiber Optic Grating Strain Sensors. Proc. SPIE 4185, Fourteenth International Conference on Optical Fiber Sensors, 41850G (9 November 2000); doi: 10.1117/12.2302159; https://doi.org/10.1117/12.2302159.

Udd, E., Schulz, W., Seim, J., Haugse, E., Trego, A., Johnson, P., Bennett, T., Nelson, D., Makino, A. (2000). Multidimensional strain field measurements using fiber optic grating sensors. Proc. SPIE 3986, Smart Structures and Materials 2000: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (12 June 2000); doi: 10.1117/12.388113; https://doi.org/10.1117/12.388113.

Schulz, W., Udd, E., Seim, J., Perez, I., Trego, A. (2000). Progress on monitoring of adhesive joints using multiaxis fiber grating sensors. Proc. SPIE 3991, Smart Structures and Materials 2000: Industrial and Commercial Applications of Smart Structures Technologies, (12 June 2000); doi: 10.1117/12.388187; https://doi.org/10.1117/12.388187.

Schulz, W., Conte, J., Udd, E., Seim, J. (2000). Seismic Damage Identification using Long Gage Fiber Bragg Grating Sensors. 2nd Workshop on Advanced Technologies, Kyoto, Japan.

Udd, E., Schulz, W., Seim. (2000). Single and Multi-axis Fiber Grating Strain Sensor Systems For Bridge Monitoring. International Conference in Optical NDE, Lugano, Switzerland.

Schulz, W., Conte, J., Udd, E., Seim, J. (2000). Static and dynamic testing of bridges and highways using long-gage fiber Bragg grating based strain sensors. Proc. SPIE 4202, Industrial Sensing Systems, (29 December 2000); doi: 10.1117/12.411730; https://doi.org/10.1117/12.411730.

Yamate, T., Ramos, R., Schroeder, R., Udd, E. (2000). Thermally Insensitive Pressure Measurements up to 300 degree C Using Fiber Bragg gratings Written onto Side Hole Single Mode Fiber Proc. SPIE 4185, Fourteenth International Conference on Optical Fiber Sensors, 418504 (9 November 2000); doi: 10.1117/12.2302147;https://doi.org/10.1117/12.2302147.

Udd, E., Schulz, W., Seim, J., Trego, A., Haugse, E., Johnson, P. (2000). Use of transversely loaded fiber optic grating strain sensors for aerospace applications. Proc. SPIE 3994, Nondestructive Evaluation of Aging Aircraft, Airports, and Aerospace Hardware IV, (5 May 2000); doi: 10.1117/12.385019; https://doi.org/10.1117/12.385019.

Schulz, W., Udd, E., Morrell, M., Seim, J., Perez, I., Trego, A. (1999). Health monitoring of an adhesive joint using a multi-axis fiber grating strain sensor system. Proc. SPIE 3586, Nondestructive Evaluation of Aging Aircraft, Airports, and Aerospace Hardware III, (28 January 1999); doi: 10.1117/12.339906; https://doi.org/10.1117/12.339906.

Udd, E., Schulz, W., Seim, J., Corona-Bittick, K., Dorr, J., Slattery, K., Laylor, M., McGill, G. (1999). Fiber optic smart bearing load structure. Proc. SPIE 3587, Nondestructive Evaluation of Bridges and Highways III, (1 February 1999); doi: 10.1117/12.339933;https://doi.org/10.1117/12.339933.

Seim, J., Udd, E., Schulz, W. (1999). Health monitoring of an Oregon historical bridge with fiber grating strain sensors. Proc. SPIE 3671, Smart Structures and Materials 1999: Smart Systems for Bridges, Structures, and Highways, (18 May 1999); doi: 10.1117/12.348662;https://doi.org/10.1117/12.348662.

Schulz, W., Seim, J., Udd, E., Morrell, M., Laylor, M., McGill, G., Edgar, R. (1999). Traffic monitoring/control and road condition monitoring using fiber optic based systems. Proc. SPIE 3671, Smart Structures and Materials 1999: Smart Systems for Bridges, Structures, and Highways, (18 May 1999); doi: 10.1117/12.348660; https://doi.org/10.1117/12.348660.

Seim, J., Udd, E., Schulz, W. (1999). Composite Strengthening and Instrumentation of the Horsetail Falls Bridge With Long Gauge Length Fiber Bragg Grating Strain Sensors. Proc. SPIE 3746, 13th International Conference on Optical Fiber Sensors, 374612 (1 September 1999); doi: 10.1117/12.2302028; https://doi.org/10.1117/12.2302028.

Udd, E., Schulz, W., Seim, J., Morrell, M., Weaver, T., Bush, J., Adamovsky, G. (1999). Fiber Optic Distributed Sensing Systems For Harsh Aerospace Environments. Proc. SPIE 3674, Smart Structures and Materials 1999: Industrial and Commercial Applications of Smart Structures Technologies, (9 July 1999); doi: 10.1117/12.351549; https://doi.org/10.1117/12.351549.

Seim, J., Schulz, W., Udd, E., Morrell, M. (1999). Higher speed demodulation of fiber grating sensors. Proc. SPIE 3670, Smart Structures and Materials 1999: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (31 May 1999); doi: 10.1117/12.349738;https://doi.org/10.1117/12.349738.

Schroeder, R., Yamate, T., Udd, E. (1999). High Pressure and Temperature Sensing for the Oil Industry Using Fiber Bragg Gratings Written onto Side Hole Single Mode Fiber. Proc. SPIE 3746, 13th International Conference on Optical Fiber Sensors, 374632 (1 September 1999); doi: 10.1117/12.2302100;https://doi.org/10.1117/12.2302100.

Udd, E., Schulz, W., Seim, J. (1999). Measurement of multidimensional strain fields using fiber grating sensors for structural monitoring. Proc. SPIE 3860, Fiber Optic Sensor Technology and Applications, (9 December 1999); doi: 10.1117/12.372944; https://doi.org/10.1117/12.372944.

Schulz, W., Udd, E., Seim, J. (1998). Advanced fiber grating strain sensor systems for bridges, structures, and highways. Proc. SPIE 3325, Smart Structures and Materials 1998: Smart Systems for Bridges, Structures, and Highways, (17 June 1998); doi: 10.1117/12.310610;https://doi.org/10.1117/12.310610.

Udd, E., Schulz, W., Seim, J. (1998). Advanced Fiber Optic Sensors Capable of Multiparameter Sensing. Proc. SPIE 3489, Fourth Pacific Northwest Fiber Optic Sensor Workshop, (23 September 1998); doi: 10.1117/12.323433; https://doi.org/10.1117/12.323433.

Udd, E., Schulz, W., Seim, J.., McGill, G., Laylor, M. (1998). Distributed Multiaxis Fiber Grating Strain Sensor Applications for Bridges. FIBER OPTICS SENSORS FOR CONSTRUCTION MATERIALS AND BRIDGES - PROCEEDINGS OF THE INTERNATIONAL WORKSHOP HELD MAY 1998, TECHNOMIC PUBLISHING COMPANY INC.

Seim, J., Schulz, W., Udd, E., Corona-Bittick, K., Dorr, J., Slattery, K. (1998). Low Cost, High Speed Fiber Optic Grating Demodulation System for Monitoring Composite Structures. Proc. SPIE 3326, Smart Structures and Materials 1998: Industrial and Commercial Applications of Smart Structures Technologies, (16 June 1998); doi: 10.1117/12.310654; https://doi.org/10.1117/12.310654.

Schulz, W., Udd, E., Seim, J., Laylor, M., McGill, G. (1998). Single and Multiaxis Fiber Grating Based Strain Sensors for Civil Structure Applications. Proc. SPIE 3489, Fourth Pacific Northwest Fiber Optic Sensor Workshop, (23 September 1998); doi: 10.1117/12.323417;https://doi.org/10.1117/12.323417.

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