LSP064 · Welding and additive beam monitoring · Welding and brazing
Partially reusable

Pointing drift records before and after thermal steady state

Facing the laser processing optical path cabinet, the timing and drift of the light spot are used as the observation route, and the timing and stability of the output beam center are planned. The page is for project evaluation and does not mean that the development has been completed or has been accepted on site.

Project Judgment Summary

Product/DeviceLaser processing optical path cabinet
Measure routeTIME · Light spot timing and drift
Ability GradingPartially reusable
Verification statusThe actual machine/product domain acceptance of this scenario has not been carried out
Scene nature:Similar potential application scenarios for laser spots. The potential application scenario has not yet been developed into a complete product system; the actual machine/product domain acceptance of this scenario has not been carried out. The actual product/product domain acceptance quantity in catalog statistics is 0.

Business tasks and intended output

target audience
Laser processing optical cabinet: light spot timing and drift
pseudo output
Beam Center Timing and Stability
Applicable conditions
Thermal lensing effects of insulated windows need to be documented
priority
General extension. Verification needs to be completed according to the listed optical conditions, calibration and samples.

Imaging input and algorithm routing

Imaging and device conditions

Global shutter or known readout timing, saves timestamps, and exposures adapted to frequency of motion. Optical path sampling or target collection before welding, strong process light requires filtering and triggering

TIME · Light spot timing and drift

Global shutter or known readout timing, saves timestamps, exposures fit to frequency of motion

  • A22Kalman filter
  • A25Welch power spectrum estimation
  • A72Hampel median absolute deviation anomaly filtering
  • A101Adaptive threshold laser spot grayscale centroid
  • A107Laser spot quality and usability diagnostics
  • A112Laser spot two-dimensional repeatability and coverage ellipse

Existing algorithmic evidence:A101–A112 only complete analytical synthesis spot and controlled geometry verification; see laser_spot_benchmark.json

Current capabilities and capabilities to be supplemented

Partially reusable

Requires calibration, synchronization or integration

The light point detection front-end or timing statistics module can be reused, but the project still needs to add geometric calibration, time synchronization, motion compensation or equipment system integration.

Gaps in this scenario:Requires sampling rate/exposure verification, time synchronization and reference target camera motion compensation; not a substitute for laser Doppler vibrometers. Thermal lensing effects of insulated windows need to be documented. Only the incident beam/guide beam status is described, and the internal quality of the weld needs to be independently inspected.

Route-level gaps:Requires sampling rate/exposure verification, time synchronization and reference target camera motion compensation; not a substitute for laser Doppler vibrometers

"Partially reusable" only describes the relative development volume and does not constitute a commitment to accuracy, tempo, stability or delivery time.

Verification methods and acceptance prerequisites

Verify aliasing, phase, drift and frame loss with a known frequency shaker or encoder comparison. Beammeter and weld specimen cross-section/process log cross-check

Acceptance itemsEvidence required for project confirmationCurrent status
Inputs and samplesReal device original frames, normal/abnormal samples, exposure and light path conditions, sample grouping and set asideNot provided, waiting for project input
Magnitude and ErrorIndependent reference value, calibration record, error statistical caliber and mutual confirmation thresholdNot verified
Exceptions and boundariesAnticipated handling of missed detections, false detections, overexposure, occlusion, reflection, out-of-view and communication abnormalitiesTo be defined
System integrationInterface, time synchronization, deployment platform, tempo, log, version and continuous running recordNot integrated

Evidence sources and citation boundaries

The source supports measurement principles or similar applications; the module combination, device and acceptance method in this scenario are engineering derivation, and product verification has not been completed.

LS-S10 · Original factory/scientific research institution/original paper

Ophir laser beam analysis

Camera beam profile analysis and industrial laser diagnosis; power measurement requires special sensors

Verification date: 2026-10-24

View original public information →
LS-S16 · Original factory/scientific research institution/original paper

Holo/Or multi-point diffraction beam splitter

Laser lattice, diffraction orders, spot spacing and optical configuration

Verification date: 2026-10-24

View original public information →
LS-S28 · Original factory/scientific research institution/original paper

Research on Speckle Uncertainty of Laser Triangulation

Effect of speckle on position and distance uncertainty

Verification date: 2026-10-24

View original public information →
Source usage scope:The public information is used to support the measurement principle or the existence of similar applications, and does not prove that this scenario has been developed, deployed or accepted by Jishi Technology.
Project consultation

Define the Development Scope with Samples and Device Requirements

Pointing drift records before and after thermal steady state

Please describe the task object, original picture or video, target indicators, device platform, interface and sample situation.

Phone: 13910119357
xuzhiyang0928@gmail.com

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