Zobrazeno 1 - 10
of 256
pro vyhledávání: '"Fischer, Martin C."'
Autor:
Kastenholz, Heidi V., Topper, Michael I., Warren, Warren S., Fischer, Martin C., Grass, David
Carbon-based black pigments, a widely used class of pigments, are difficult to differentiate with the noninvasive techniques currently used in cultural heritage science. We utilize pump-probe microscopy to distinguish four common carbon-based black p
Externí odkaz:
http://arxiv.org/abs/2403.08897
In optical experiments, shutters are devices that open or close a path of light. They are often used to limit the duration of light exposure onto a target or onto a detector in order to reduce possible light-induced damage. Many commercial shutters a
Externí odkaz:
http://arxiv.org/abs/2405.02294
Cadmium sulfide (CdS) pigments have degraded in several well-known paintings, but the mechanisms of degradation have yet to be fully understood. Traditional non-destructive analysis techniques primarily focus on macroscopic degradation, whereas micro
Externí odkaz:
http://arxiv.org/abs/2310.15126
Autor:
Grass, David, Beasley, Georgia M., Fischer, Martin C., Selim, M. Angelica, Zhou, Yue, Warren, Warren S.
Pump-probe microscopy of melanin in tumors has been proposed to improve diagnosis of malignant melanoma, based on the hypothesis that aggressive cancers disaggregate melanin structure. However, measured signals of melanin are complex superpositions o
Externí odkaz:
http://arxiv.org/abs/2207.01491
Publikováno v:
In HardwareX September 2024 19
Pump-probe microscopy is an emerging nonlinear imaging technique based on high repetition rate lasers and fast intensity modulation. Here we present new methods for pump-probe microscopy that keep the beam intensity constant and instead modulate the
Externí odkaz:
http://arxiv.org/abs/2012.09215
We present a new imaging method for pump-probe microscopy that explores non-collinear excitation. This method (crossed-beam pump-probe microscopy, or CBPM) can significantly improve the axial resolution when imaging through low-NA lenses, providing a
Externí odkaz:
http://arxiv.org/abs/2001.09906
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Akademický článek
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We study ultra-broadband slow light in a warm Rubidium vapor cell. By working between the D1 and D2 transitions, we find a several-nm window centered at 788.4 nm in which the group index is highly uniform and the absorption is small (<1%). We demonst
Externí odkaz:
http://arxiv.org/abs/1107.5432