Optics express最新文献

Heterogeneous integration, single-mode MEMS-VCSEL with super-span resonance filtering, small divergence angle, and Gaussian distribution. 异质集成，单模MEMS-VCSEL，超跨共振滤波，发散角小，高斯分布。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-04-07 DOI: 10.1364/OE.554457

Jisheng Wang, Ning Cui, Hongzhuo Wang, Zhanguo Shi, Feng Zhang, Lishan Fu, Baolu Guan

引用次数: 0

Auto-focus scanning surface plasmon resonance microscopy. 自动对焦扫描表面等离子体共振显微镜。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-04-07 DOI: 10.1364/OE.557410

Sheng Sun, Pengbin Liu, Jingfang Hu, Lingqian Zhang, Mingxiao Li, Xinchao Lu, Yang Zhao, Tian Zhi, Chengjun Huang

{"title":"Auto-focus scanning surface plasmon resonance microscopy.","authors":"Sheng Sun, Pengbin Liu, Jingfang Hu, Lingqian Zhang, Mingxiao Li, Xinchao Lu, Yang Zhao, Tian Zhi, Chengjun Huang","doi":"10.1364/OE.557410","DOIUrl":"https://doi.org/10.1364/OE.557410","url":null,"abstract":"Wide-field inspection, nano detection, and real-time observation are essential for investigating biomolecular interaction processes. Surface plasmon resonance microscopy (SPRM) is a label-free, real-time, and nano-imaging method that is widely employed for the dynamic detection of nanoscale biomolecules. The field of view (FOV) of SPRM is limited by the usage of high NA objectives, and a scanning SPRM is required to obtain a large FOV. However, during the scanning, the focus drift introduced by the mechanical vibrations blurs the imaging quality of SPRM, making the detection deviate from the true status. To this end, this paper presents the development of autofocus scanning SPRM (AFS-SPRM) that is capable of performing automated real-time focus drift correction during auto-scanning, thereby enabling high-quality SPRM imaging with large FOV. Only 80 ms is taken to process each defocusing event, and the ability to maintain focus has been improved by 30 times by comparison with SPRM. The AFS-SPRM was successfully employed to distinguish nanoparticles of different sizes and to observe the changes of macrophages in a culture medium containing nanoparticles. This investigation illustrates the superior imaging capabilities of AFS-SPRM and demonstrates its potential for observing interactions between biomolecules at the nanoscale.","PeriodicalId":19691,"journal":{"name":"Optics express","volume":"33 7","pages":"16551-16561"},"PeriodicalIF":3.2,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144023837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Unambiguous identification of waveguide loss and coupling coefficients using add-drop ring resonators. 利用加降环谐振器对波导损耗和耦合系数的明确识别。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-04-07 DOI: 10.1364/OE.558973

Vladimir Fedorov, Karl Johnson, Dmitrii Belogolovskii, Yeshaiahu Fainman, Andrew Grieco

{"title":"Unambiguous identification of waveguide loss and coupling coefficients using add-drop ring resonators.","authors":"Vladimir Fedorov, Karl Johnson, Dmitrii Belogolovskii, Yeshaiahu Fainman, Andrew Grieco","doi":"10.1364/OE.558973","DOIUrl":"https://doi.org/10.1364/OE.558973","url":null,"abstract":"Waveguide propagation loss and coupling coefficients are key parameters that must be measured routinely following fabrication of integrated photonic chips. While multiple methods exist to measure these parameters, existing methods are either sensitive to off-chip coupling uncertainty and occupy a large footprint (cutback method) or cannot unambiguously distinguish waveguide losses from coupling coefficients (all-pass ring resonator method). In this work, we show that by performing two spectral measurements of an add-drop ring resonator, the waveguide loss and ring-waveguide coupling coefficients can be recovered and unambiguously identified. We perform uncertainty analysis and show that this method recovers waveguide loss and coupling coefficients with lower uncertainty than alternative methods in many situations. Finally, we perform several experimental demonstrations of the technique, highlighting its increased robustness to defects compared to the cutback method and its capability to measure waveguide losses and coupling coefficients on various waveguide platforms. As the add-drop ring resonator used has a relatively small footprint (roughly 200 µm x 100 µm) and unambiguous results can be obtained through measurement of individual resonances, this method represents a convenient tool for integrated photonic process development and fabrication monitoring.","PeriodicalId":19691,"journal":{"name":"Optics express","volume":"33 7","pages":"15390-15403"},"PeriodicalIF":3.2,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144024051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Second harmonic generation into the near ultraviolet in Zr-diffusion-doped lithium tantalate ridge waveguides. zr扩散掺杂钽酸锂脊波导中近紫外二次谐波的产生。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-04-07 DOI: 10.1364/OE.553767

Sergiy Suntsov, Chaitanya Sharma, Kore Hasse, Detlef Kip

{"title":"Second harmonic generation into the near ultraviolet in Zr-diffusion-doped lithium tantalate ridge waveguides.","authors":"Sergiy Suntsov, Chaitanya Sharma, Kore Hasse, Detlef Kip","doi":"10.1364/OE.553767","DOIUrl":"https://doi.org/10.1364/OE.553767","url":null,"abstract":"We report on the efficient second harmonic generation at a near-UV wavelength of 399.7 nm in periodically poled Zr-doped LiTaO3 waveguides. High-temperature in-diffusion of ZrO2 layers into congruent LiTaO3 substrates with simultaneous improvement of crystal stoichiometry by vapor transport equilibration in a Li-rich atmosphere was performed for the fabrication of planar waveguides. This new method enables very high photorefractive damage thresholds and allows us to avoid the known disadvantages of, e.g., proton exchange or titanium in-diffusion waveguide fabrication methods, which lower resistance to photorefractive damage. Low-loss ridge waveguides were then fabricated using a diamond blade saw. At a maximum available coupled power of 540 mW of the near-infrared pump laser, 49 mW of second harmonic light was generated in a 22 mm long sample with a normalized conversion efficiency of 3.5%·W-1·cm-2, exceeding the previously reported powers for LiTaO3 waveguides in this wavelength range. Furthermore, by heating the sample, a temperature tuning coefficient of 32 pm/°C was measured for the generated second harmonic wave.","PeriodicalId":19691,"journal":{"name":"Optics express","volume":"33 7","pages":"16202-16209"},"PeriodicalIF":3.2,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144064186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Improving high temperature resilience of fiber sensor embedded smart components through laser shock peening. 通过激光冲击强化提高嵌入式智能元件光纤传感器的高温回弹性。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-04-07 DOI: 10.1364/OE.549584

Shuda Zhong, Kehao Zhao, Dinh Son Nguyen, Qiuchi Zhu, Ran Zou, Zekun Wu, Qirui Wang, Guangyin Zhang, Guangqun Ma, Yuqi Li, Mohamed A S Zaghloul, Albert C To, Yongfeng Lu, Kevin P Chen

引用次数: 0

Single-field-of-view misalignment solution method based on map sensitivity matrix. 基于地图灵敏度矩阵的单视场不对准求解方法。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-04-07 DOI: 10.1364/OE.557528

Bangkun Zhu, Xiaoquan Bai, Shuaihui Wang, Chunyue Zhang, Fengyi Jiang, Yan Gao, Shuyan Xu, Guohao Ju

{"title":"Single-field-of-view misalignment solution method based on map sensitivity matrix.","authors":"Bangkun Zhu, Xiaoquan Bai, Shuaihui Wang, Chunyue Zhang, Fengyi Jiang, Yan Gao, Shuyan Xu, Guohao Ju","doi":"10.1364/OE.557528","DOIUrl":"https://doi.org/10.1364/OE.557528","url":null,"abstract":"As scientific demands advance, future astronomical telescopes will require larger apertures to improve precision and detection depth. However, larger apertures pose greater alignment challenges for monolithic and segmented telescopes. Accurately and efficiently solving the misalignment of each optical element has become a critical factor in determining the final imaging performance. This paper proposes a method for solving misalignment parameters by constructing a sensitivity matrix using a wavefront map of a single field of view. The method based on wavefront map sensitivity has been derived to be equivalent to the method based on the sensitivity of the infinite-order aberration coefficients. To validate the method's accuracy, simulation alignment processes are conducted for both monolithic and segmented telescopes. Simulation results demonstrate that by constructing the sensitivity matrix for a single field of view and performing three iterations, the misaligned optical system can be well-corrected. This method can significantly improve the alignment efficiency. This study provides an effective method for solving misalignments in large-aperture astronomical telescopes.","PeriodicalId":19691,"journal":{"name":"Optics express","volume":"33 7","pages":"16562-16583"},"PeriodicalIF":3.2,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144036296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Snapshot video through dynamic scattering medium based on deep learning. 基于深度学习的动态散射介质快照视频。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-04-07 DOI: 10.1364/OE.545510

Felipe Guzmán, Esteban Vera, Ryoichi Horisaki

引用次数: 0

Generating vortex beams by transforming near-field coordinates of coherent beam combining system. 相干光束组合系统近场坐标变换产生涡旋光束。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-04-07 DOI: 10.1364/OE.558291

Hongxiang Chang, Xingliang Xie, Wenguo Zhu, Bowang Shu, Yuqiu Zhang, Pu Zhou, Zhe Chen

引用次数: 0

Enhanced 2.7 µm wavelength sub-80 ns pulse generation via iron-chromium co-doped ZnS polycrystalline. 通过铁铬共掺杂ZnS多晶增强了2.7µm波长下80 ns脉冲的产生。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-04-07 DOI: 10.1364/OE.550836

Shuaiyi Zhang, Xiaohui Hu, Xiangzheng Kong, Jianxin Zhao, Guocheng Sun, Hongxia Wang, Enlin Cai, Qingyue Zhang, Shanming Li, Xia Wang, Dunlu Sun, Yin Hang

引用次数: 0

On the selection of broadband monitoring algorithms for optical coating production. 光学镀膜生产中宽带监控算法的选择。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-04-07 DOI: 10.1364/OE.559120

A V Tikhonravov, A N Sharov, B Romanov, S Kirpichenko, S A Sharapova, A G Yagola

引用次数: 0