Norman J. Powell

Liquid-crystal phase modulators for active micro-optic devices

Alan Purvis, Geoffrey Williams, Norman J. Powell, 1991, Electronic Imaging.

Investigation of fringing fields in liquid-crystal devices

Gordon D. Love, Alan Purvis, Norman J. Powell, 1991, Optics & Photonics.

Seeding Enquiry-Based Learning in Electrical and Electronic Engineering: Case Study 1 - Optoelectronics

Peter J. Hicks, Norman J. Powell, Brian Canavan, 2007 .

Four Case Studies of Adapting Enquiry-Based Learning (EBL) in Electrical and Electronic Engineering

Peter J. Hicks, Norman J. Powell, Peter H.R. Green, 2008 .

Seeding Enquiry-Based Learning in Electrical and Electronic Engineering: Case Study 2 - Robotics

Peter J. Hicks, Norman J. Powell, Brian Canavan, 2007 .

Electrically Controllable Liquid Crystal Fresnel Lens

Alan Purvis, Norman J. Powell, Michael George Clark, 1989, Optics & Photonics.