Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Hans-Joachim Polland is active.

Publication


Featured researches published by Hans-Joachim Polland.


Archive | 2000

Wavefront sensor having multi-power beam modes, independent adjustment camera, and accommodation range measurement

Gerhard Youssefi; Hans-Joachim Polland; Christoph Sappel


Archive | 2004

Method and Apparatus for Online Contact Lens Evaluation

Hans-Joachim Polland; Stefan Seitz; Kristian Hohla; Gerhard Youssefi; Ernst Hegels; Birte Jansen; Christoph Sappel


Archive | 2005

Apparatus and method for topographical parameter measurements

Hans-Joachim Polland; Stefan Seitz; Kristian Hohla


Archive | 2004

Online wavefront measurement and display

Hans-Joachim Polland; Gerhard Youssefi; Stefan Seitz


Archive | 1999

Ophthalmic wavefront aberration diagnostic tool, has camera that aids in focusing aerial image from lenslet array, on wavefront sensor

Gerhard Youssefi; Hans-Joachim Polland


Archive | 2003

Improved sequential scanning wavefront measurement and retinal topography

Hans-Joachim Polland


Archive | 2010

Model eye for calibrating an optical measurement system or a treatment laser system

Gerhard Youssefi; Birgit Lutzenberger; Julia Hoff; Hans-Joachim Polland


Archive | 2010

Kalibriervorrichtung, Verfahren zum Kalibrieren oder Bewerten der Leistung eines optischen Meßsystems oder Behandlungslasersystems und Verfahren zur Herstellung einer Kalibriervorrichtung

Gerhard Youssefi; Birgit Lutzenberger; Julia Hoff; Hans-Joachim Polland


Archive | 2009

FAST ALGORITHM FOR STREAMING WAVEFRONT

Gerhard Youssefi; Hans-Joachim Polland


Archive | 2008

Schneller Algorithmus für Wellenfrontdatenstrom Fast algorithm for wavefront data stream

Hans-Joachim Polland; Gerhard Youssefi

Collaboration


Dive into the Hans-Joachim Polland's collaboration.

Researchain Logo
Decentralizing Knowledge