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Heat accumulation effects in femtosecond laser-written waveguides with variable repetition rate
Open accessAbstract
High-repetition rate femtosecond lasers are shown to drive heat accumulation processes that are attractive for rapid writing of low-loss optical waveguides in transparent glasses. A novel femtosecond fiber laser system (IMRA America, FCPA muJewel) providing variable repetition rate between 0.1 and 5 MHz was used to study the relationship between heat accumulation and resulting waveguide properties in fused silica and various borosilicate glasses. Increasing repetition rate was seen to increase the waveguide diameter and decrease the waveguide loss, with waveguides written with 1-MHz repetition rate yielding ~0.2-dB/cm propagation loss in Schott AF45 glass. A finite-difference thermal diffusion model accurately tracks the waveguide diameter as cumulative heating expands the modification zone above 200-kHz repetition rate.
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Cited by
Optical waveguides in crystalline dielectric materials produced by femtosecond‐laser micromachining
Chen, F., & de Aldana, J. R. V. (2014) · Laser & Photonics Reviews · doi:10.1002/lpor.201300025 · Cited by 688
Femtosecond laser three-dimensional micro- and nanofabrication
Sugioka, K., & Cheng, Y. (2014) · Applied Physics Reviews · doi:10.1063/1.4904320 · Cited by 490
Ultrafast Processes for Bulk Modification of Transparent Materials
Itoh, K., Watanabe, W., Nolte, S., & Schaffer, C. B. (2006) · MRS Bulletin · doi:10.1557/mrs2006.159 · Cited by 463
Eaton, S. M., Zhang, H., Ng, M. L., Li, J., Chen, W.-J., Ho, S., & Herman, P. R. (2008) · Optics Express · doi:10.1364/oe.16.009443 · Cited by 375
Self-citationUltrafast Manipulation of Self‐Assembled Form Birefringence in Glass
Shimotsuma, Y., Sakakura, M., Kazansky, P. G., Beresna, M., Qiu, J., Miura, K., & Hirao, K. (2010) · Advanced Materials · doi:10.1002/adma.201000921 · Cited by 247
Metadata
- Authors
- Eaton, S. M., Zhang, H., Herman, P. R., Yoshino, F., Shah, L., Bovatsek, J., & Arai, A. Y.
- Venue
- Optics Express
- Publisher
- Optica Publishing Group
- Published
- 2005
- Volume
- 13
- Issue
- 12
- Pages
- 4708
- ISSN
- 1094-4087 (ISSN-L)
- OpenAlex
- W2060003211
- Cited by
- 813
- References
- 0
- FWCI
- 28.46
- Type
- journal article
- Language
- en
- Open access
- gold
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- Eaton, S. M., Zhang, H., Herman, P. R., Yoshino, F., Shah, L., Bovatsek, J., & Arai, A. Y. (2005). Heat accumulation effects in femtosecond laser-written waveguides with variable repetition rate. Optics Express. https://doi.org/10.1364/opex.13.004708
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