Dispersion extension method for ultrasmall fiber probes in the chromatic confocal system

Xiangdong Huang; Zhuang Sun; Chao Yang; Jiubin Tan

doi:10.1364/OE.559289

Dispersion extension method for ultrasmall fiber probes in the chromatic confocal system

Xiangdong Huang^*
, Zhuang Sun
, Chao Yang
, Jiubin Tan

^*Corresponding author for this work

Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

This study proposes a method for extending the dispersion range using combined gradient refractive index (GRIN) lenses. The imaging model of the probe was established based on the self-focusing characteristics of GRIN lens. The dispersion extension of the probe can be achieved using the model to optimize the probe structure while ensuring high resolution and small size. Experiments indicated that the probe achieved a dispersion range of 3 mm and an axial resolution of 0.2 µm. Compared to existing GRIN probes with similar axial resolutions, the designed probe was 60.7% shorter with double the dispersion range.

Original language	English
Pages (from-to)	18970-18983
Number of pages	14
Journal	Optics Express
Volume	33
Issue number	9
DOIs	https://doi.org/10.1364/OE.559289
State	Published - 5 May 2025

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10.1364/OE.559289

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title = "Dispersion extension method for ultrasmall fiber probes in the chromatic confocal system",

abstract = "This study proposes a method for extending the dispersion range using combined gradient refractive index (GRIN) lenses. The imaging model of the probe was established based on the self-focusing characteristics of GRIN lens. The dispersion extension of the probe can be achieved using the model to optimize the probe structure while ensuring high resolution and small size. Experiments indicated that the probe achieved a dispersion range of 3 mm and an axial resolution of 0.2 µm. Compared to existing GRIN probes with similar axial resolutions, the designed probe was 60.7\% shorter with double the dispersion range.",

author = "Xiangdong Huang and Zhuang Sun and Chao Yang and Jiubin Tan",

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AU - Sun, Zhuang

AU - Yang, Chao

AU - Tan, Jiubin

PY - 2025/5/5

Y1 - 2025/5/5

N2 - This study proposes a method for extending the dispersion range using combined gradient refractive index (GRIN) lenses. The imaging model of the probe was established based on the self-focusing characteristics of GRIN lens. The dispersion extension of the probe can be achieved using the model to optimize the probe structure while ensuring high resolution and small size. Experiments indicated that the probe achieved a dispersion range of 3 mm and an axial resolution of 0.2 µm. Compared to existing GRIN probes with similar axial resolutions, the designed probe was 60.7% shorter with double the dispersion range.

AB - This study proposes a method for extending the dispersion range using combined gradient refractive index (GRIN) lenses. The imaging model of the probe was established based on the self-focusing characteristics of GRIN lens. The dispersion extension of the probe can be achieved using the model to optimize the probe structure while ensuring high resolution and small size. Experiments indicated that the probe achieved a dispersion range of 3 mm and an axial resolution of 0.2 µm. Compared to existing GRIN probes with similar axial resolutions, the designed probe was 60.7% shorter with double the dispersion range.

UR - https://www.scopus.com/pages/publications/105003826885

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DO - 10.1364/OE.559289

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JO - Optics Express

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ER -

Dispersion extension method for ultrasmall fiber probes in the chromatic confocal system

Abstract

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