Ultrafast Pulse Lasers Can Emit Pulses of the Order 10

question 45

Multiple Choice

Ultrafast pulse lasers can emit pulses of the order 10 fs. The length of each pulse that is 10 fs long is

• A) 1.0 μm.
• B) 2.0 μm.
• C) 3.0 μm.
• D) 9.0 μm.
• E) 12.0 μm.

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Definitions:

Endometrium

The inner lining of the uterus, which thickens during the menstrual cycle in preparation for possible implantation of an embryo.

Trophoblast

The outer cell layer of a late blastocyst, which in placental mammals gives rise to the chorion and to the fetal contribution to the placenta.

Blastocyst

An early stage of mammalian embryonic development, characterized by a sphere of cells surrounding a fluid-filled cavity and an inner cell mass that will develop into the fetus.

Limb Buds

The early developmental structures in vertebrate embryos which will develop into the limbs (arms and legs).