-40%

F-Theta Flat Field Lens for 405nm, 450, 455, 460nm UV / Blue Laser Marking F#01

$ 40.92

Availability: 42 in stock
  • Brand: Junktronix
  • Condition: Clean pull, guaranteed working
  • All returns accepted: ReturnsNotAccepted
  • MPN: FFL-405

    Description

    F-Theta Flat Field Lens for 405nm, 450, 455, 460nm UV / Blue Laser Marking F#01
    F-Theta Flat Field Lens for 405nm, 450, 455, 460nm UV / Blue Laser Marking F#01
    An F-Theta or Flat Field lens allows a laser beam to maintain focus while being scanned across a flat target.  This lens was extracted from a high brightness video display system along with the high power 405nm laser diodes you'll find in another listing.  The focal length for a collimated beam is about 30cm.  That can be changed if you have an adjustable focus laser.  This results in a flat field of 20 x 15 inches (about 380 x 500mm). There is a mask inside the lens that defines this 4:3 ratio so 380x380mm is probably the largest square field possible.
    It is AR coated specifically for 405nm so is very low loss. We've also tested these with a 450nm laser and measured about 97% throughput which is about as good as you can expect from a multi-element lens like this.
    The lens is about 110mm diameter with an input aperture of 50mm. Overall thickness is about 65mm. The input end is 3.25" diameter (82.5mm). It weighs in at about 2lb
    Pictures and description Copyright © 2020 Starlight Photonics, Inc.
    Starlight Photonics Policies
    FDA Disclaimer for Laser Items
    This product is sold solely for use as a component (or replacement) in an electronic product; therefore it is not required to, and does not comply with, 21 CFR 1040.10 and 1040.11 which pertain to complete laser products. The manufacturer of the complete system-level electronic product is responsible for complying with 21 CFR 1040.10 and 1040.11 and for providing the user with all necessary safety warnings and information.
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    Company Information
    Starlight Photonics, Inc.
    PO Box 1134
    Alviso, CA 95002