Note: Focus error detection device for thermal expansion-recovery microscopy (ThERM)

An innovative focus error detection method is presented that is only sensitive to surface curvature variations, canceling both thermoreflectance and photodefelection effects. The detection scheme consists of an astigmatic probe laser and a four-quadrant detector. Nonlinear curve fitting of the defoc...

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Detalles Bibliográficos
Autores principales: Domené, E.A., Martínez, O.E.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00346748_v84_n1_p_Domene
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