How to align light when the beam splitter has no port

If no pinhole viewer is available, approximate alignment can be achieved by sending laser light into the input pinhole (150m). How do I align it with a thin beamsplitter ? Align...

Guide
Feb 23, 2026

How to align an invisible laser beam

Preliminary alignment – short distance 1: look at IR spot on target and bring pointer spot to same place near beam splitter by adjusting pointer laser

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Guide
Jan 02, 2026

Alignment procedures for optical breadboard assemblies

Here we describe how to align a Conoptics 350-80 EOM to a pre-existing optical axis defined by a laser beam. We assume an EOM configured for amplitude modulation and with minimal transmission near

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Guide
May 12, 2026

The Michelson Interferometer

Interferometry is a central building block for many optics measurements and a versatile tool in the laser lab. Here we describe the general working principle and give a systematic and simple setup and

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Guide
Sep 28, 2025

General Guidelines for Scanning Issues with Thermo Nicolet FTIRs

During the auto align process in the Diagnostics tab, there are two critical steps that need to be completed before the system is operational: tuning the laser, and optimizing the

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Guide
Dec 31, 2025

1. Aligning the laser beam along the rails

The beam can be aligned by adjusting the corner mirror with the horizontal (H) and vertical (V) adjuster knobs of the Gimbal mounts until the beam passes directly through the center of both alignment disc

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Guide
Oct 27, 2025

Aligning a laser beam accurately without an optics table.

I''m attempting to align a laser unit to a beam separator on a bosch rail (no optic table). I can get the beam through, but still not straight/aligned enough.

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Guide
Mar 03, 2026

The basics of optical alignment

Summary This article has covered key principles and steps for aligning optical components in custom microscopes. We established the importance of the beam path, detailed pre

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Guide
Mar 14, 2026

50:50 Optical Glass Cube Beam Splitter Prism Tutorial

This tutorial is a detailed, practical guide to using the Optical Glass Cube Dichroic Dispersion Beam Splitter Prism (15×15×15mm, 50:50 split ratio) (Leobot Product #1598).

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Guide
Oct 07, 2025

Simplifying Laser Alignment

Aligning a laser beam can pose many challenges, but knowing certain tips and tricks can greatly simplify the process. For instance, the first step in aligning a laser beam is to ensure that the beam is collimated.

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Guide
Mar 22, 2026

TANDEM FABRY-PEROT INTERFEROMETER TFP-1

If no pinhole viewer is available, approximate alignment can be achieved by sending laser light into the input pinhole (150 m). A direct laser beam can be focussed onto the pinhole by a short focal length

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