Solenoid Optical Shutter
Description
The Part To Be 3D Printed Is "Mounting Bracket Merged.Stl". Most Optical Shutters Cost In The $900+ Range New. These "Low Price" Shutters Are Typically Teflon Coated Which Cannot Withstand High Laser Powers. We Have Seen Failures Of Such A Shutter With ~800 Mw Of Optical Power @ 950 Nm. Shutters That Are Not Teflon Coated Are Even More Expensive. This Is A Solenoid + Plate Solution That Works For Applications That Do Not Require The Shutter To Close Around The Beam And Don'T Need Faster Than 1 Ms Response Times. This Version Fabricated Uses An Aluminum Plate To Block The Beam. A Steel Plate Could Also Be Used And May Tolerate Even More Power. The Solenoid Simply Moves A Plate In And Out Of The Laser Beam. The Shutter Opens With A Greater Than 3V Digital Signal Into The Bnc Jack. The Plastic Screws To A 1/4-20 Optical Pedestal. The Plate Is Angled Down And Beam Can Be Directed Into A Razor Blade Stack. The Additional Parts Needed To Fabricate This Low Cost Shutter Are Available From Amazon.Com, Ace Hardware, And Radioshack. Bom: 3D Printed Plastic Mount - 1X (Mounting Bracket Merged.Stl) Solenoid - 1X - Amazon.Com Diode - 1X - Radioshack Fet - 1X - Radioshack/Digikey 10 Kohm Resistor - Radioshack Prototype Board - 1X - Radioshack Rocker Switch - 1X - Radioshack Bnc Connector - 1X - Dc 4 Mm Jack - 1X - Radioshack Aluminum Plate - 1X - Ace Hardware M3 X Socket Head Cap Screws - 2X - Ace Hardware 6-32 X Socheck H - 2X - Ace Hardware 5V Dc Wall Lwart - Amazon.Com Solenoid: Dc Stroke 1N Pull Push Type Open Frame Solenoid, Electromagnet, 12V, 10 Mm - Https://Www.Amazon.Com/Gp/Product/B00Nwgt71W/Ref=Oh_Aui_Detailpage_O06_S00?Ie=Utf8&Psc=1 Prototype Board: Radioshack Catalog #: 2760159. I Cut This In Half Down The Middle With A Band Saw. 6-32 Screws Are Used To Mount To Mounting Bracket Merged.Stl. Https://Www.Radioshack.Com/Collections/Breadboards-Ic-Sockets/Products/General-Purpose-Ic-Pc-Board Diode Is : 1N4003 - Purchased From Radioshack Spst Rocker Switch: Radioshack #2750694 - Https://Www.Radioshack.Com/Products/Spst-Red-Rocker-Switch 4 Mm Dc Jack: Radioshack #2741535 - Https://Www.Radioshack.Com/Products/Radioshack-Size-K-Coaxial-Dc-Power-Jack-W-Switch 5V Dc Power Supply - Https://Www.Amazon.Com/Gp/Product/B001Ku44He/Ref=Oh_Aui_Detailpage_O03_S01?Ie=Utf8&Psc=1 Power Fet - Irlb8743Pbf - This Has Low On Resistance To Keep Power Dissipation By The Fet Low. A Higher On Resistance Radioshack Fet Might Be Ok Too. Https://Www.Digikey.Com/Product-Search/En?Keywords=Irlb8743Pbf%20
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