Researching | Collimation Technique for Infrared Beam Based on Moire Fringe

Laser & Optoelectronics Progress, Volume. 61, Issue 9, 0912001(2024)

Collimation Technique for Infrared Beam Based on Moire Fringe

Shangchen Cai, Qiluan Chen, Shu Zhang, and Zuojun Tan^*

Author Affiliations

College of Science, Huazhong Agriculture University, Wuhan 430070, Hubei , China

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Figures&Tables (5)

References (12)

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Figures & Tables(5)

Fig. 1. Talbot image of grating illuminated by spherical wave

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Fig. 2. Experimental setup diagram of infrared beam collimation adjustment

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Fig. 3. Moire fringe pattern illuminated by spherical wave

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Fig. 4. Moire fringe pattern illuminated by plane wave

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Table 1. Spot size and divergence angle after collimation at 5 m
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Table 1. Spot size and divergence angle after collimation at 5 m
Position Spot size /mm Divergence angle /mrad
1 2 3 4 5 6 7 8 9 10
Z₁（0.51 m） 2.436 2.437 2.438 2.435 2.436 2.438 2.501 2.438 2.432 2.431 0.633
Z₂（5.51 m） 5.648 5.658 5.563 5.688 5.628 5.563 5.683 5.561 5.533 5.563

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Shangchen Cai, Qiluan Chen, Shu Zhang, Zuojun Tan. Collimation Technique for Infrared Beam Based on Moire Fringe[J]. Laser & Optoelectronics Progress, 2024, 61(9): 0912001

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Paper Information

Category: Instrumentation, Measurement and Metrology

Received: Apr. 27, 2023

Accepted: Jun. 28, 2023

Published Online: Apr. 29, 2024

The Author Email: Zuojun Tan (tzj@mail.hzau.edu.cn)

DOI:10.3788/LOP231187

CSTR:32186.14.LOP231187

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology