Dr. Geena L. Ferrelli Profile

Dr. Geena L. Ferrelli

Research Scientist at Aerospace Corp

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Publications (6)

Proceedings Article | 4 October 2023 Presentation + Paper

Stress mitigation of replicated composite mirrors via multi-layer replication

Geena Ferrelli, Hyun Kim, Rafael Zaldivar

Proceedings Volume 12677, 1267702 (2023) https://doi.org/10.1117/12.2675487

KEYWORDS: Optical surfaces, Thermal stability, Optics manufacturing, Composites, Composite resins, Ultraviolet radiation, Glasses, Mirrors, Interfaces, Space mirrors

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Proceedings Article | 29 August 2022 Presentation + Paper

The role of residual stress in the optical quality and stability of replicated composite optics

Geena L. Ferrelli, Hyun I. Kim, Rafael J. Zaldivar

Proceedings Volume 12188, 1218804 (2022) https://doi.org/10.1117/12.2628634

KEYWORDS: Mirrors, Composites, Humidity, Ultraviolet radiation, Epoxies, Laser interferometry

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Proceedings Article | 1 September 2021 Presentation + Paper

Organic liquid and nanocomposite scintillators for gamma spectroscopic detections

Hao Yu, Roger Zhao, Caleb Redding, Tianheng Chen, Tibor Hajagos, Geena Ferrelli, Rafael Zaldivar, Jason Hayward, Qibing Pei

Proceedings Volume 11838, 118380S (2021) https://doi.org/10.1117/12.2595540

KEYWORDS: Scintillators, Nanocomposites, Liquids, Nanoparticles, Hybrid fiber optics, Transmittance, Scintillation, Cesium, Transparency, Spectroscopy

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Proceedings Article | 14 May 2019 Paper

Underlying causes of hygroscopic stability in high-quality replicated composite optics

Geena Ferrelli, Hyun Kim, Rafael Zaldivar

Proceedings Volume 10998, 1099809 (2019) https://doi.org/10.1117/12.2519673

KEYWORDS: Polymers, Epoxies, Ultraviolet radiation, Diffusion, Mirrors, Composites, Interferometry

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SPIE Journal Paper | 10 April 2018 Open Access

Effect of gamma radiation on the stability of UV replicated composite mirrors

Rafael Zaldivar, Hyun Kim, Geena Ferrelli

OE, Vol. 57, Issue 04, 047102, (April 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.4.047102

KEYWORDS: Mirrors, Ultraviolet radiation, Composites, Radiation effects, Gamma radiation, Epoxies, Glasses, Manufacturing, Mirror stabilization, Optical engineering

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SPIE Journal Paper | 8 November 2017

Hygroscopic and thermal stability of high precision replicated epoxy composite mirrors

Rafael Zaldivar, Hyun Kim, Geena Ferrelli

OE, Vol. 56, Issue 11, 117103, (November 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.11.117103

KEYWORDS: Mirrors, Epoxies, Composites, Absorption, Glasses, Ultraviolet radiation, Humidity, Polymers, Hydrogen, Polymerization

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Showing 5 of 6 publications

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