A transverse mode of electromagnetic radiation is a particular electromagnetic field pattern of the radiation in the plane perpendicular (i.e., transverse) to the radiation's propagation direction.

2013年7月24日 · Yes, your pictures are the idealised image of a spot you would see if your beam consisted of a single TEM mode. The index is the number of zeros of the EM field as you go …

The mode, TEM 01 *, also known as the "bagel" or "doughnut" mode, is considered to be a superposition of the Hermite-Gaussian TEM 10 and TEM 01 modes, locked in phase quadrature.

1978年9月1日 · We point out in this paper that a TEM ∗01 mode laser beam is convenient to stably levitate either solid or hollow dielectric spheres or metallic ones. Except a sufficient …

2010年8月4日 · For He-Ne lasers, TEM01 is called donut-moding as the beam looks like a donut hole. it looks like a light beam with a dark spot in the middle. This is caused by destructive …

用中心波长为850 nm, 重复频率为76 MHz, 脉宽为130 fs的飞秒脉冲光产生二次谐波, 泵浦TEM01模的同步光学参量振荡器, 实验上获得了TEM01模大约4倍的经典增益, 并给出了理论分析。这是 …

The properties of TEM01* doughnut modes have been examined by frequency analysis and by two-beam interference. Interpretation in terms of an evolving helix, made up to two orthogonal …

Experimental near-field intensity distributions that emerge from a Nd:YAG laser in which two DPEs were incorporated to obtain two orthogonally polarized TEM01modes. a Vertically …

A dual-wavelength T E M 01 mode synchronous continuous wave passively mode-locked (CWML) Nd:YAG laser has been demonstrated for the first time to the best of our knowledge with a …

The reflection imaging system at 2.524 THz frequency demonstrated up to diffraction limited resolution using the single focusing mirror with the numerical aperture not smaller than 0.6. …