Photo-Polymer Objective Lens for Red Blue Lasers

Murao, Noriaki; Koyanagi, Hajime; Koike, Katsuhiro; Ohtaki, Sakashi

doi:10.1143/jjap.39.906

Cited by 3 publications

(1 citation statement)

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“…Next, the beam splitter is replaced by a PBS and a quarterwave plate added. 15,16) After passing forward and backward through the quarter-wave plate, the state of the polarization of the light is altered from the P-state to the S-state. This can reduce the loss of light transmission.…”

Section: System Descriptionmentioning

confidence: 99%

Optical Design and Analysis of a Laser Expander for a Blu-ray Pickup Head for Synchronous Detection of the Tilt Angle and Displacement on the Test Plane

Sun¹,

Lin²,

Chang³

2011

Jpn. J. Appl. Phys.

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The electrocardiogram (ECG) artifact is a major noise contaminating the myoelectric control signals when using shoulder disarticulation prosthesis. This is an even more significant problem with targeted muscle reinnervation to develop additional myoelectric sites for improved prosthesis control in a bilateral amputee at shoulder disarticulation level. This study aims at removal of ECG artifacts from the myoelectric prosthesis control signals produced from targeted muscle reinnervation. Three ECG artifact removal methods based on template subtracting, wavelet thresholding and adaptive filtering were investigated, respectively. Surface EMG signals were recorded from the reinnervated pectoralis muscles of the amputee. As a key parameter for clinical myoelectric prosthesis control, the amplitude measurement of the signal was used as a performance indicator to evaluate the proposed methods. The feasibility of the different methods for clinical application was also investigated with consideration of the clinical speed requirements and memory limitations of commercial prosthesis controllers.

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Section: System Descriptionmentioning

confidence: 99%