LBS-400 Attenuator
LBS-400 Attenuator

LBS-400 Abschwächer

Strahlabschwächer bestehend aus Neutraldichtefiltern und Strahlteilerkeilen
Beschreibung: 

Der LBS-400 ist ein optionaler Strahlabschwächer für Pyrocams. Er erlaubt die Messung von Laserstrahlen im UV- oder IR-Bereich mit einem Durchmesser von max. 25,4 mm und Leistungen von 10mW bis ca. 500W(1). Der Strahlabschwächer erhält die ursprüngliche Polarisation des Laserstrahls.

(1)For Gaussian beam diameter <1/2 the clear aperture and depending on ND filter and camera saturation limits the maximum power may be as high as 1200W.

Specification

  • Proprietary
  • LBS-400-UV: 193-355nm, LBS-400-NIR: 1064nm, LBS-400-IR: 10.6μm
  • LBS-400-IR: 5W/cm2 300J/cm2 for 1ms pulse / LBS-400-UV: 100W/cm2 20mJ/cm2 for 10nm pulse / LBS-400-NIR: 50W/cm2 1J/cm2 for 10ns pulse
  • LBS-400-UV: A/R ≤1.5%, LBS-400-NIR: A/R ≤1%, LBS-400-IR: A/R ≤1%
  • LBS-400-UV: Inconel, LBS-400-NIR: Bulk ND, LBS-400-IR: CaF2
  • 31.75mm
Need help finding the right beam profiler? Try our Beam Profiler Finder

Ordering

The LBS-400 combination beam sampling and beam apsorption systems available with the following options.
  • LBS-400-UV

    SP90351

    Beam sampler attachment for Pyrocam cameras for measuring UV wavelength laser beams with diameters up to 1 inch (25.4mm) and powers ranging from 10mW to ~500W

    Angebot anfragen
  • LBS-400-NIR

    SP90354

    Beam sampler attachment for Pyrocam cameras for measuring NIR wavelength laser beams with diameters up to 1 inch (25.4mm) and powers ranging from 10mW to ~500W

    Angebot anfragen
  • LBS-400-IR

    SP90349

    Beam sampler attachment for Pyrocam cameras for measuring IR wavelength laser beams with diameters up to 1 inch (25.4mm) and powers ranging from 10mW to ~500W

    Angebot anfragen
  • LBS-400 C-Mount Adapter

    SP90352

    Adaptor plate to mount C-Mount devices to LBS-400

    Angebot anfragen
  • LBS-400 to L11059 Adapter

    SP90439

    Adaptor plate to mount L11059 camera to LBS-400

    Angebot anfragen
  • LBS-400 to Pyrocam Adapter

    SP90510

    Adaptor plate to mount Pyrocam IV camera to LBS-400

    Angebot anfragen

FAQ

What should be my Safety concerns while using LBS-400?

Regular laser safety precautions should apply. Please note, that the main incident beam will exit the LBS-400 refracted approximately 6°. Provision must be made to safely contain the transmitted beam by beam dump or power meter.

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How to deal with removable Beam Blocker?

The beam blocker is designated to keep one wedge surface protected during handling and shipping. It can be left attached for low power laser operations. However, in the case of high-power laser irradiation scattered light might interfere with beam profile measurement and cause offset. In case of such offset, we recommend removing the beam blocker.

After removal, an additional laser output, having less than 0.1% of incident beam power will be reflected. That beam could be used for simultaneous measurement of laser power via Ophir Power Meter in addition to beam profiler.

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Can I use LBS-400 both for beam profiling and power measurement?

Yes, the main function of LBS-400 beam splitter is Beam profiling, however it performs a 3-way beam splitting:
Less than 0.01% (1/103) of the beam is reflected in one direction and less than 1% in another while remaining 99% of incident laser beam is transmitted.
This allows user to measure one of the 3 beams, depends on available power measurement equipment and setup convenience.

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