Optical Pulse Waveform Measurement for Time Response and Dispersion
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Solution Overview
Problem
Existing optical property measurement systems require separate apparatuses for measuring different types of optical properties, such as time response and wavelength dispersion, necessitating multiple setups for comprehensive analysis.
Innovation Solution
An optical property measurement apparatus and method that utilizes a single setup with a pulse formation unit capable of changing temporal waveforms, an optical system with an attenuation unit for selective wavelength components, and a waveform measurement unit to measure and analyze both time response and wavelength dispersion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If separate apparatuses are used for measuring different types of optical properties (time response and wavelength dispersion), then measurement precision for each property is maintained, but device complexity and the number of required setups increase
Solution Approach 1:
The patent implements a universal optical measurement apparatus that can perform multiple types of optical property measurements (time response, wavelength dispersion, and other optical characteristics) using a single integrated system. The pulse formation unit, optical system with attenuation unit, and waveform measurement unit work together to enable versatile measurement capabilities, eliminating the need for separate dedicated apparatuses for each measurement type while maintaining measurement precision through specialized measurement modes within the unified system
2Reliability
If separate apparatuses are prepared for measuring multiple optical properties, then each measurement can be optimized for its specific property, but the quantity of equipment and setup requirements increase
Solution Approach 1:
The apparatus employs a multi-functional design where the same core components (pulse formation unit, optical system with attenuation unit, waveform measurement unit) serve multiple measurement purposes. By configuring the system in different measurement modes (time response measurement mode, wavelength dispersion measurement mode, etc.), reliable measurements of various optical properties can be obtained without requiring separate dedicated equipment for each property type
Solution Approach 2:
The system incorporates dynamic switching capabilities that allow it to adapt between different measurement modes and configurations. The pulse formation unit can dynamically adjust pulse characteristics, and the optical system can dynamically reconfigure the arrangement of attenuation units based on the specific measurement being performed, enabling a single apparatus to reliably perform multiple measurement types
3Measurement precision
If multiple dedicated apparatuses are used for different optical property measurements, then each apparatus can be optimized for its specific function, but ease of operation and setup simplicity decrease
Solution Approach 1:
The patent creates a unified control interface and operational framework that manages multiple measurement types through a single apparatus. Users can operate the system to perform time response measurements, wavelength dispersion measurements, or other optical property measurements without needing to switch between different physical apparatuses or complex setups, thereby improving ease of operation while maintaining the measurement precision achieved by specialized measurement modes within the system
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 simultaneous measurement of multiple optical properties using a single apparatus, enhancing efficiency and reducing the need for multiple setups.
Implementation Method 1
an attenuation unit with an attenuation rate with respect to one wavelength component constituting the pulsed light larger than an attenuation rate with respect to another wavelength component constituting the pulsed light
Data Source
AI summary
An optical property measurement apparatus includes a pulse formation unit, a waveform measurement unit, and an optical system. The pulse formation unit is capable of changing a temporal waveform of pulsed light in accordance with a type of optical property to be measured. The waveform measurement unit measures a temporal waveform of the pulsed light output from a measurement object after being incident on the measurement object. The optical system has an attenuation unit with an attenuation rate with respect to one wavelength component constituting the pulsed light larger than an attenuation rate with respect to another wavelength component constituting the pulsed light. The optical system is capable of switching between a first state in which the attenuation unit is arranged on an optical path of the pulsed light output from the measurement object and a second state in which the attenuation unit is not arranged on the optical path.