{"paper":{"title":"Ultrafast wide-field 3D topography with extended depth of field","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"A telecentric interferometric microscope extends depth of field to 18 micrometers for single-frame ultrafast 3D topography.","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Changjun Min, Jiahui Pan, Jielei Ni, Qianyi Wei, Shuoshuo Zhang, Xiaocong Yuan, Yuquan Zhang, Zhangyu Zhou, Zhiyong Tan","submitted_at":"2026-05-13T01:58:56Z","abstract_excerpt":"Ultrafast optical imaging has enabled direct observation of femtosecond-nanosecond dynamics, yet three-dimensional (3D) dynamic measurements at high numerical aperture (NA) remain hindered by the intrinsically shallow depth of field (DoF) of conventional microscopes. Here, we propose an ultrafast, wide-field pump-probe interferometric microscope on a telecentric platform that significantly extends the effective DoF to ~18 micrometer at a high NA of 0.9 while maintaining high spatial resolution (down to 235 nm) and temporal resolution (~170 fs). The system enables single-frame 3D topography rec"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"we propose an ultrafast, wide-field pump-probe interferometric microscope on a telecentric platform that significantly extends the effective DoF to ~18 micrometer at a high NA of 0.9 while maintaining high spatial resolution (down to 235 nm) and temporal resolution (~170 fs). The system enables single-frame 3D topography reconstruction without axial scanning or multi-view acquisition.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The interferometric reconstruction on the telecentric platform accurately recovers 3D topography from a single frame across the extended DoF without introducing artifacts or losing resolution in dynamic pump-probe measurements.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Ultrafast wide-field interferometric microscope extends effective depth of field to 18 μm at NA 0.9 for single-shot 3D topography with 235 nm spatial and 170 fs temporal resolution.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"A telecentric interferometric microscope extends depth of field to 18 micrometers for single-frame ultrafast 3D topography.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"7d91791cb2888076b0ec9bb7500a0e8b8d84c501112968e0ffb21b8913402638"},"source":{"id":"2605.12884","kind":"arxiv","version":1},"verdict":{"id":"0673a628-4d20-44cd-beae-37e62e2b8bcb","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-14T18:54:23.353227Z","strongest_claim":"we propose an ultrafast, wide-field pump-probe interferometric microscope on a telecentric platform that significantly extends the effective DoF to ~18 micrometer at a high NA of 0.9 while maintaining high spatial resolution (down to 235 nm) and temporal resolution (~170 fs). The system enables single-frame 3D topography reconstruction without axial scanning or multi-view acquisition.","one_line_summary":"Ultrafast wide-field interferometric microscope extends effective depth of field to 18 μm at NA 0.9 for single-shot 3D topography with 235 nm spatial and 170 fs temporal resolution.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The interferometric reconstruction on the telecentric platform accurately recovers 3D topography from a single frame across the extended DoF without introducing artifacts or losing resolution in dynamic pump-probe measurements.","pith_extraction_headline":"A telecentric interferometric microscope extends depth of field to 18 micrometers for single-frame ultrafast 3D topography."},"references":{"count":27,"sample":[{"doi":"","year":2024,"title":"Single-shot intensity-and phase-sensitive compressive sensing-based coherent modulation ultrafast imaging,","work_id":"491415d3-7f93-4d10-9bda-32a5b192e462","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2025,"title":"High-frequency enhanced ultrafast compressed active photography,","work_id":"b56d367c-d5a6-4fc1-b723-fef9e491396c","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2025,"title":"Dual-modal spatiotemporal imaging of ultrafast dynamics in laser-induced periodic surface structures,","work_id":"98fe2907-a068-4002-95e0-34acf45d0234","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2022,"title":"Decrypting material performance by wide-field femtosecond interferometric imaging of energy carrier evolution,","work_id":"d07cab5b-bd37-4584-88b2-606a31904423","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2022,"title":"High ambipolar mobility in cubic boron arsenide revealed by transient reflectivity microscopy,","work_id":"0cfe5771-d78d-43bd-b490-d81be6440ab1","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":27,"snapshot_sha256":"f8b0fc2819c61657e410bcceab2f488f3bab3718c55fac4ab9ee4e0defe784a4","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}