Laser-Ranging Telescope With Switchable Magnification for Wide FOV
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Solution Overview
Problem
Current laser-ranging telescopes face a challenge in achieving high magnification without compromising the wide field of view, particularly at close ranges.
Innovation Solution
A laser-ranging telescope with switchable magnification is designed, featuring parallel first and second optical path channels with a deflectable reflective switching plate that allows switching between different magnifications without affecting the laser ranging function.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the magnification of the telescope is increased, then the ranging capability is improved, but the field of view at close range deteriorates
Solution Approach 1:
The patent implements switchable magnification by providing multiple objective lens sets with different magnification values that can be dynamically switched. The reflective switching plate deflects between different positions to connect different optical path channels, allowing the telescope to adapt its magnification level based on operational requirements, thus resolving the contradiction between high magnification for ranging and wide field of view for close-range observation
Solution Approach 2:
The optical system is segmented into multiple independent optical path channels, each with its own objective lens set having different magnification characteristics. This segmentation allows selective activation of specific optical channels based on the required magnification level, enabling the system to achieve both high magnification when needed and wide field of view when observing close-range targets
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables high magnification and wide field of view by allowing the telescope to adapt its optical path channels dynamically, maintaining effective laser ranging capabilities.
Implementation Method 1
a reflective switching plate arranged within the first optical path channel and deflectable between a first position and a second position
Implementation Method 2
a first reflector tilted within the second optical path channel and configured to reflect natural light entering the second optical path channel to the reflective switching plate
Implementation Method 3
a first objective lens set arranged at a first axial end of the first optical path channel; an eyepiece set arranged at a second axial end of the first optical path channel; a second objective lens set arranged at a first axial end of the second optical path channel
Data Source
AI summary
Disclosed is a laser-ranging telescope with switchable magnification, which includes a main body provided with a laser channel, a first optical path channel and a second optical path channel arranged in parallel along an axial direction. A through-hole is provided between the first and the second optical path channels, and a reflective switching plate is arranged within the first optical path channel. The reflective switching plate is deflectable between a first position and a second position to close the through-hole or allow the first and second optical path channels to be communicated, thereby switching the magnification of the telescope.