Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Asymmetric-detection time-stretch optical microscopy (ATOM) for
  ultrafast high-contrast cellular imaging in flow   Accelerating imaging speed in optical microscopy is often realized at the
expense of image contrast, image resolution, and detection sensitivity- a
common predicament for advancing high-speed and high-throughput cellular
imaging. We here demonstrate a new imaging approach, called
asymmetric-detection time-stretch optical microscopy (ATOM), which can deliver
ultrafast label-free high-contrast flow imaging with well delineated cellular
morphological resolution and in-line optical image amplification to overcome
the compromised imaging sensitivity at high speed. We show that ATOM can
separately reveal the enhanced phase-gradient and absorption contrast in
microfluidic live-cell imaging at a flow speed as high as ~10 m/s,
corresponding to an imaging throughput of ~100,000 cells/sec. ATOM could thus
be the enabling platform to meet the pressing need for intercalating optical
microscopy in cellular assay, e.g. imaging flow cytometry- permitting
high-throughput access to the morphological information of the individual cells
simultaneously with a multitude of parameters obtained in the standard assay.

12
The categories of this paper are: nucl-th
2
The categories of this paper are: math
25
The categories of this paper are: patt-sol
26
The categories of this paper are: bayes-an
16
The categories of this paper are: stat
11
The categories of this paper are: hep-lat
19
The categories of this paper are: eess
14
The categories of this paper are: math-ph
18
The categories of this paper are: econ
32
The categories of this paper are: atom-ph
37
The categories of this paper are: supr-con
28
The categories of this paper are: alg-geom
9
The categories of this paper are: nlin
33
The categories of this paper are: plasm-ph
20
The categories of this paper are: acc-phys
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The categories of this paper are: q-fin