CN205643177U

CN205643177U - Reflective laser multiband focusing arrangement

Info

Publication number: CN205643177U
Application number: CN201620287679.1U
Authority: CN
Inventors: 陈日升; 柴俊杰; 赵飞; 梁硕熙; 魏永杰; 钱金宁; 王亮; 李云飞; 王鹏
Original assignee: Research Institute of Physical and Chemical Engineering of Nuclear Industry
Current assignee: Research Institute of Physical and Chemical Engineering of Nuclear Industry
Priority date: 2016-04-08
Filing date: 2016-04-08
Publication date: 2016-10-12
Anticipated expiration: 2026-04-08

Abstract

The utility model discloses a reflective laser multiband focusing arrangement, including no. I laser instrument, no. II laser instruments, no. III laser instruments, the laser beam of no. II laser instruments passes focusing lens in proper order no. II, no. II refractor, the axis of convex mirror, the axis of concave mirror is penetrated in the sample cell, the laser beam of no. I laser instrument passes focusing lens in proper order no. I, no. I refractor, then through the refraction of concave mirror one -level, reflect in the sample cell through the convex mirror second grade, the laser beam of no. III laser instruments passes focusing lens in proper order no. III, no. III refractor, then through the refraction of concave mirror one -level, reflect in the sample cell through the convex mirror second grade, sample cell central point in the focus department of convex mirror. The utility model discloses can assemble the light wave of different wave bands in a bit, reduce the influence of colour difference to improving the effect of utilizing of laser, helping the experiment, laser beam builds simply, is convenient for to adjust, reuse nature is strong, adjusts the precision height.

Description

A kind of reflective laser multiband focusing arrangement

Technical field

This utility model belongs to a kind of laser focusing device, is specifically related to a kind of reflective laser multiband focusing arrangement.

Background technology

At present, people increasingly pay close attention to the tremendous influence that scientific development is produced by atomic structure.Analyze by laser technology Atomic structure is a kind of important means.Along with modern laser is fast-developing, in order to study atomic interior structure, atomic energy level Structures etc. bring huge convenience, and Study of Laser closes bundle and focuses on the key link being to study atomic energy level structure.

In the past, often utilize spatial light to carry out closing bundle, cause beam jitter relatively big, usually can affect experiment, closing bundle Being focused by optical fiber afterwards, operation easier is bigger.Focusing further for different-waveband yet suffers from the biggest problem.In order to enter Row long-distance transmissions, typically enters fibre by the multiband laser coupled that multiple stage dye laser produces, and after light transmits, outgoing swashs Light is through one group of lens focus, and focus is done in sample cell.Owing to wavelength band is relatively wide, when using lens focus, owing to existing Aberration, different-waveband light wave is difficult to converge at a bit, impact experiment.Additionally, in conventional experimentation, coupling is converged whole Process, operation complexity, poor stability etc..

At present, the laser coupled focusing arrangement of prior art there is also laser optical path and builds complexity, regulation difficulty, motility The series of problems such as low, poor repeatability, regulation accuracy are low.

Summary of the invention

This utility model is that the problem solving prior art existence proposes, and its objective is to provide a kind of reflective laser many Wave band focusing arrangement.

The technical solution of the utility model is: a kind of reflective laser multiband focusing arrangement, including No. I laser instrument, II Number laser instrument, No. III laser instrument, the laser beam of No. II laser instrument sequentially passes through No. II condenser lens, No. II refractor, convex The axis of face mirror, the axis of concave mirror are mapped in sample cell, the laser beam of No. I laser instrument sequentially pass through No. I condenser lens, I Number refractor, is then passed through the refraction of concave mirror one-level, is refracted in sample cell through convex mirror two grades, swashing of No. III laser instrument Light light beam sequentially passes through No. III condenser lens, No. III refractor, is then passed through the refraction of concave mirror one-level, through convex mirror two grades Being refracted in sample cell, described sample cell is centrally located at the focal point of convex mirror.

Between No. II described condenser lens, between No. II refractor, it is provided with No. II optical fiber, No. I condenser lens, No. I It is provided with No. I optical fiber between refractor, between No. III condenser lens, No. III refractor, is provided with No. III optical fiber.

Described No. II optical fiber input end is positioned at the focal point of No. II condenser lens, and described No. II fiber exit end is positioned at No. II Refractor front end.

No. I described laser instrument light-emitting window is positioned at No. I condenser lens center, and No. II described laser instrument light-emitting window is positioned at II Number condenser lens center, No. III described laser instrument light-emitting window is positioned at No. III condenser lens center.

The light wave of different-waveband can be converged at a little by this utility model, reduces the impact of aberration, thus improves laser Utilizing status, contribute to experiment.This utility model can reduce the power that laser causes in optical-fiber bundling communication process Loss, improves conventional efficient, and laser optical path is built simply, is easy to regulation, reusing by force, and degree of regulation is high.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model；

Wherein:

2 No. II laser instrument of 1 No. I laser instrument

4 No. I condenser lenses of 3 No. III laser instrument

6 No. III condenser lenses of 5 No. II condenser lenses

8 No. II refractors of 7 No. I refractors

9 No. III refractor 10 convex mirror

11 concave mirror 12 sample cells

14 No. II optical fiber of 13 No. I optical fiber

15 No. III optical fiber.

Detailed description of the invention

Hereinafter, with embodiment, this utility model is described in detail referring to the drawings:

As it is shown in figure 1, a kind of reflective laser multiband focusing arrangement, including 1, No. II laser instrument 2, III of No. I laser instrument Number laser instrument 3, the laser beam of No. II laser instrument 2 sequentially passes through 5, No. II refractor 8 of No. II condenser lens, convex mirror 10 Axis, the axis of concave mirror 11 are mapped in sample cell 12, and the laser beam of No. I laser instrument 1 sequentially passes through No. I condenser lens 4, I Number refractor 7, is then passed through the refraction of concave mirror 11 one-level, is refracted in sample cell 12 through convex mirror 10 2 grades, and No. III is swashed The laser beam of light device 3 sequentially passes through 6, No. III refractor 9 of No. III condenser lens, is then passed through the refraction of concave mirror 11 one-level, Being refracted in sample cell 12 through convex mirror 10 2 grades, described sample cell 12 is centrally located at the focal point of convex mirror 10.

Between No. II described condenser lens 5, between No. II refractor 8, it is provided with No. II optical fiber 14, No. I condenser lens 4, it is provided with No. I optical fiber 13 between No. I refractor 7, between 6, No. III refractor 9 of No. III condenser lens, is provided with No. III light Fine 15.

Described No. II optical fiber 14 incidence end is positioned at the focal point of No. II condenser lens 5, described No. II optical fiber 14 exit end position In No. II refractor 8 front end.

Described No. I optical fiber 13 incidence end is positioned at the focal point of No. I condenser lens 4, and described No. I optical fiber 13 exit end is positioned at I Number refractor 7 front end.

Described No. III optical fiber 15 incidence end is positioned at the focal point of No. III condenser lens 6, described No. III optical fiber 15 exit end position In No. III refractor 9 front end.

No. I described laser instrument 1 light-emitting window is positioned at No. I condenser lens 4 center, No. II described laser instrument 2 light-emitting window position In No. II condenser lens 5 center, No. III described laser instrument 3 light-emitting window is positioned at No. III condenser lens 6 center.

Work process of the present utility model is as follows:

No. I laser instrument 2, No. III laser instrument 3 of 1, No. II laser instrument exports three beams different-waveband laser, No. I described laser The wavelength band of 2, No. III laser instrument 3 of 1, No. II laser instrument of device output from 550nm to 650nm, the laser beam of No. I laser instrument 1 Being coupled into fibre after No. I condenser lens 4, the laser beam of No. II laser instrument 2 is coupled into fibre after No. II condenser lens 5, No. III The laser beam of laser instrument 3 is coupled into fibre after No. III condenser lens 6.

The laser beam of No. I laser instrument 1 is mapped to concave mirror 11 after optical fiber connector exports after No. I refractor 7, It is mapped on convex mirror 10 through concave mirror 11, in convex mirror 10 reflexes to sample cell 12.

The laser beam of No. II laser instrument 2 from optical fiber connector export after through No. II refractor 8, the axle of convex mirror 10 Line, the axis of concave mirror 11 are mapped in sample cell 12.

The laser beam of No. III laser instrument 3 is mapped to concave mirror 11 after optical fiber connector exports after No. III refractor 9 On, it is mapped on convex mirror 10 through concave mirror 11, in convex mirror 10 reflexes to sample cell 12.

So that the laser beam of No. I laser instrument 1, the laser beam of No. II laser instrument 2, the laser light of No. III laser instrument 3 Bundle converges in sample cell 12.

Claims

1. a reflective laser multiband focusing arrangement, including No. I laser instrument (1), No. II laser instrument (2), No. III laser instrument (3), it is characterised in that: the laser beam of No. II laser instrument (2) sequentially passes through No. II condenser lens (5), No. II refractor (8), the axis of convex mirror (10), the axis of concave mirror (11) be mapped in sample cell (12), the laser beam of No. I laser instrument (1) Sequentially pass through No. I condenser lens (4), No. I refractor (7), be then passed through the refraction of concave mirror (11) one-level, through convex mirror (10) two grades are refracted in sample cell (12), the laser beam of No. III laser instrument (3) sequentially pass through No. III condenser lens (6), III Number refractor (9), is then passed through the refraction of concave mirror (11) one-level, is refracted to sample cell (12) through convex mirror (10) two grades In, described sample cell (12) is centrally located at the focal point of convex mirror (10).

A kind of reflective laser multiband focusing arrangement the most according to claim 1, it is characterised in that: described No. II is gathered Being provided with No. II optical fiber (14) between focus lens (5), between No. II refractor (8), No. I condenser lens (4), No. I refraction are thoroughly It is provided with No. I optical fiber (13) between mirror (7), between No. III condenser lens (6), No. III refractor (9), is provided with No. III optical fiber (15).

A kind of reflective laser multiband focusing arrangement the most according to claim 2, it is characterised in that: described No. II optical fiber (14) incidence end is positioned at the focal point of No. II condenser lens (5), and described No. II optical fiber (14) exit end is positioned at No. II refractor (8) front end.

A kind of reflective laser multiband focusing arrangement the most according to claim 1, it is characterised in that: described No. I swashs Light device (1) light-emitting window is positioned at No. I condenser lens (4) center, and No. II described laser instrument (2) light-emitting window is positioned at No. II condenser lens (5) center, No. III described laser instrument (3) light-emitting window is positioned at No. III condenser lens (6) center.