Pulse Laser Light Timing Adjusting Device, Adjusting Method, and Optical Microscope
First Claim
1. A pulse laser light timing adjusting device to adjust the timing of a plurality of pulse laser lights comprising:
- a first pulse laser light source to launch a first pulse laser light;
a second pulse laser light source to launch a second pulse laser light;
light synthesizing means to generate synthesized light in a state where the first pulse laser light and the second pulse laser light are spatially superimposed by synthesizing the first pulse laser light and the second pulse laser light;
a beam sampler to extract a portion of the synthesized light synthesized by the light synthesizing means, the synthesized light being in the state where the first pulse laser light and the second pulse laser light are spatially superimposed;
timing delay means to generate a first timing adjusting optical beam in which the first pulse laser light is delayed from the second pulse laser light and a second timing adjusting optical beam in which the second pulse laser light is delayed from the first pulse laser light from the portion of the synthesized light extracted at the beam sampler based on a difference in wavelengths or polarization states between the first pulse laser light and the second pulse laser light, the synthesized light being in the state where the first pulse laser light and the second pulse laser light are spatially superimposed;
a first detector to receive the first timing adjusting optical beam and output a first detection signal having a strength varying depending on a nonlinear optical effect of the first pulse laser light and the second pulse laser light;
a second detector to receive the second timing adjusting optical beam and output a second detection signal having a strength varying depending on a nonlinear optical effect of the first pulse laser light and the second pulse laser light; and
timing adjusting means to adjust the timing of the first pulse laser light source and the second pulse laser light source based on the first detection signal from the first detector and the second detection signal from the second detector.
1 Assignment
0 Petitions
Accused Products
Abstract
To provide a pulse laser light timing adjusting device capable of easily adjusting pulse laser light timing, a timing adjusting method, and an optical microscope. An optical microscope in accordance with the present invention includes mirror pairs 21 and 31 to generates the first timing adjusting optical beam in which the first pulse laser light ω1 is delayed from the second pulse laser light ω2 and the second timing adjusting optical beam in which the second pulse laser light ω2 is delayed from the first pulse laser light having a first wavelength from the optical beam extracted at the beam samplers 15 and 16, a first detector 23 and a second detector 33 to output a first detection signal and a second detection signal based on a nonlinear optical effect, and timing adjusting means 42 to adjust the timing based on the first detection signal and the second detection signal.
28 Citations
11 Claims
-
1. A pulse laser light timing adjusting device to adjust the timing of a plurality of pulse laser lights comprising:
-
a first pulse laser light source to launch a first pulse laser light; a second pulse laser light source to launch a second pulse laser light; light synthesizing means to generate synthesized light in a state where the first pulse laser light and the second pulse laser light are spatially superimposed by synthesizing the first pulse laser light and the second pulse laser light; a beam sampler to extract a portion of the synthesized light synthesized by the light synthesizing means, the synthesized light being in the state where the first pulse laser light and the second pulse laser light are spatially superimposed; timing delay means to generate a first timing adjusting optical beam in which the first pulse laser light is delayed from the second pulse laser light and a second timing adjusting optical beam in which the second pulse laser light is delayed from the first pulse laser light from the portion of the synthesized light extracted at the beam sampler based on a difference in wavelengths or polarization states between the first pulse laser light and the second pulse laser light, the synthesized light being in the state where the first pulse laser light and the second pulse laser light are spatially superimposed; a first detector to receive the first timing adjusting optical beam and output a first detection signal having a strength varying depending on a nonlinear optical effect of the first pulse laser light and the second pulse laser light; a second detector to receive the second timing adjusting optical beam and output a second detection signal having a strength varying depending on a nonlinear optical effect of the first pulse laser light and the second pulse laser light; and timing adjusting means to adjust the timing of the first pulse laser light source and the second pulse laser light source based on the first detection signal from the first detector and the second detection signal from the second detector. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A pulse laser light timing adjusting method for adjusting the timing of a plurality of pulse laser lights comprising:
-
launching a first pulse laser light and a second pulse laser light; synthesizing the first pulse laser light and the second pulse laser light to generate synthesized light in a state where the first pulse laser light and the second pulse laser light are spatially superimposed; extracting a portion of the synthesized light synthesized by the light synthesizing means, the synthesized light being in the state where the first pulse laser light and the second pulse laser light are spatially superimposed; generating a first timing adjusting optical beam in which the first pulse laser light is delayed from the second pulse laser light and a second timing adjusting optical beam in which the second pulse laser light is delayed from the first pulse laser light from the portion of the synthesized light in the state where the first pulse laser light and the second pulse laser light are spatially superimposed based on a difference in wavelengths or polarization states between the first pulse laser light and the second pulse laser light; outputting a first detection signal having a strength varying depending on a nonlinear optical effect of the first pulse laser light and the second pulse laser light by receiving the first timing adjusting optical beam with a first detector; outputting a second detection signal having a strength varying depending on a nonlinear optical effect of the first pulse laser light and the second pulse laser light by receiving the second timing adjusting optical beam with a second detector; and adjusting the timing of the first pulse laser light source and the second pulse laser light source based on the first detection signal and the second detection signal. - View Dependent Claims (8, 9, 10, 11)
-
Specification