| 摘要 |
PROBLEM TO BE SOLVED: To decrease high speckle and to provide image contrast of an additional form.SOLUTION: In accordance with one exemplary embodiment of the present invention, a configuration, an apparatus, and a method are provided. Concretely, at least one first electromagnetic wave is receivable, and at least one second electromagnetic wave in a solid angle is transferable to a sample. The second electromagnetic wave is associable with the first electromagnetic wave. A plurality of third electromagnetic waves are receivable from a sample associated with the second electromagnetic wave, and at least a part of the third electromagnetic waves is provided outside an outer edge of the solid angle. Signals associated with the respective third electromagnetic waves are simultaneously detectable, and these signals are associated with sample information in a plurality of depths in the sample. By using at least one of the third electromagnetic waves, the plurality of depths in the sample are determinable without necessity to use another third electromagnetic waves. |
