Lasers and Diffraction Gratings Here I have my lasers, and some diffraction gratings.
How to Make Christmas Party Recipes : Grating Cheese for Cheese Straws Learn how to grate cheese and cream butter for cheese straws to bring toyour next office Christmas party in this free video recipe. Expert: Stephanie Barnett Bio: Stephanie Barnett was born in Seattle but spent her childhood in Los Angeles. A graduate of Art Center College of Design, her advertising career took her to Denver, Los Angeles and Hong Kong. Filmmaker: randy primm
Ginger Root : How Do I Grate Fresh Ginger? Grating fresh ginger doesn't require special tools or gadgets. Learn how to grate ginger using ordinary kitchen tools with the help of this free video presented by a professional caterer. Expert: Coreen Shakes Bio: Coreen Shakes is a professional network caterer based in New York City. Filmmaker: Ashley Smith Series Description: Ginger adds flavor to cooking and provides a number of health benefits. Discover how to use ginger with the help of a professional caterer in this free video series.
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DealExtreme 200mw green laser & diffraction grating This is what my DealExtreme 200mw green laser looks like in a small room with a little smoke to make the beam glow a little brighter. The diffraction gratings used were 2 Double Axis-13500 Line/inch straburst gratings. The two gratings were held together with approx. 25 degrees angle twist (eg Not both square as this produces on overlap pattern, rather than a double diffraction pattern). These gratings are available on-line. Please no comments on the lack of safety glasses... Haha. I was still waiting on delivery of the glasses and couldnt help myself making the clip without them... Feel free to comment....
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Bragg's Grating in Fiber Optics Lab report on Bragg's Grating to sense temperature with the use of a fiber optic cable in a furnace at Penn State.
Home Made Diffraction Grating Laser Projector Made with two 13500 lines/inch matrix diffraction gratings and some lego. Link with pictures: Music remix by Manzala:
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Shave Soap Grating Method A method I use to make shave soap fit correctly into a dish
Grating Potatoes Spoof Lisa Gaye & Leesa Rowland grate potatoes to make Latkes for Hanukkah. The truth to why Lakes are only made once a year. This fun spoof is a sister to the Latke Recipe/ Potato Pancake Recipe. Check it out at For more recipes visit:
Wargame terrain - Grating, catwalks, scafolds - Part 3ish Gluing the scafolds together. - Bit on lateral though with windows. And, another not measuring tip.
Squarepusher-Steinbolt (Unedited) My favourite piece of music of all time. Try to appreciate the transition at 3.10 onwards. It drawsmy mind into a silent space of infinite possibility. I feel as if an endless horizon has been torn apart, where the land meets the sky, to reveal the light of creation. Thomas Jenkinson is a genius. Ive read that he feels this album was too artificial. That he managed to create this multi textured soundscape of infinite flux artificially is only greater testament to his brilliance.
Pocket laser light show with diffraction grating Another video of my modified pocket laser light show from thinkgeek, except I put a diffraction grating in front of the exit aperture and used my 300mW green laser from
Laser pointer and Diffraction grating - A laser beam is shattered and diffracted to produce a beautiful beam effect in the same manner used by light shows and dance clubs. Laser from
Laser Diffraction Gratings Tutorial Diffraction gratings from This tutorial explains what laser diffraction gratings are, the different types, their applications and the care that needs to be exercised when using them. Laser diffraction gratings are from Dragonlasers at http
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Red and Green Diffraction Grating Laser Light Show A physics demonstration for the holiday season. Two laser beams -- red and green -- hit a pair of diffraction gratings to produce a two-dimensional array of dots. Interference of this sort is one of the most compelling proofs that light behaves as a wave.
Difters Grating Cheese Drifters on Master of Champions grating cheese with a car-mounted cheese grater.
Vegetarian Lasagna Recipe : Grating Cheese for Vegetarian Lasagna Learn how to grate cheese for vegetarian lasagna with expert vegetarian cooking tips in this free video recipe. Expert: Josiah Owen Bio: Josiah Owen has worked in the food service industry for the past 9 years. Josiahs cooking experience spans from Fast Food, Fine Dining, working as a Camp Chef to being a Kitchen Manager. Filmmaker: josiah owen
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Diffraction Gratings A quick tutorial on how diffraction gratings are used to understand light emission from samples. Made to support the course "Engineering Optics" at Oklahoma State University
"Diffraction" grating This is a 3D model of a "diffraction" grating, which I view as possibly being a "reflection" grating. This model represents the 1700s "corpuscular" theory of light, first put forward by Isaac Newton, in which light is a particle of mass.
Anti-Dumpting Duties Imposed on Chinese Steel Grating The US Commerce Department has imposed anti-dumping duties on steel grating products coming from China.
Fiber Bragg Grating (FBG) Technology
pantyhose as a diffraction grating By putting pantyhose in front of a laser pointer, you can make a (rather crappy) diffraction grating. Then, when you stretch the pantyhose in the vertical direction, the pattern enlongates in the horizontal direction. Why? Keep in mind the diffraction pattern (assuming far field) is a Fourier Transform of the grating pattern!
Hand Actuated MEMs Diffraction Grating This is a MEMs diffraction grating that is being stretched by a human operator. The grating is tiny, each blade is 1/5 the width of a human hair! As the grating is stretched, it bends out of plane ( turns black) and then breaks. This device is designed for spectrographs in the next generation of extreemly large astronomical telescopes. For more info go here:
What Is Fiber Bragg Grating (FBG) ? www.fiberoptics4 A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by adding a periodic variation to the refractive index of the fiber core, which generates a wavelength specific dielectric mirror. A fiber Bragg grating can therefore be used as an inline optical filter to block certain wavelengths, or as a wavelength-specific reflector. Simply put, a fiber Bragg grating is a distributed Bragg reflector. This is what a simple FBG looks like. Normal fibers have uniform refractive index along the length. But in a FBG, the refractive index of the core changes periodically along a short length. As shown in this picture, the period is Λ (Lambda). So what kind of effect will this have on the fiber's light guiding properties? Let's look at the next slide. As shown here, when a light with many wavelengths is launched into a FBG, one particular wavelength is in phase with the grating period, and this wavelength is reflected back to the input end. All other wavelengths pass through to the other end since they are not in phase with the grating period. This makes the FBG reflect a particular wavelength and transmit all others. On this slide, it shows the spectrum response of a FBG. The first graph is the input spectrum, the center graph is the transmitted spectrum, and the third graph is the reflected spectrum. Here is the ...
How to Make Cranberry Sauce : Grating Lemon Zest to Make Cranberry Sauce Learn how to grate lemon zest to make cranberry sauce in this free cooking video on making cranberry sauces. Expert: David Postada Bio: David Postada is Chef and owner of the Big Easy Catering company in Santa Barbara, California. Filmmaker: Diana Bacon
How To Grate Nutmeg Grating Nutmeg Use a microplane grater to grate fresh nutmeg. Simply rub the whole nutmeg across the grater's surface. If you grate more than you need for the recipes, store the extra in an airtight container. Find Recipes: A wonderful Egg Nog Recipe: No eggnog is complete without a dusting of fresh nutmeg. Learn to prepare this spice for your holiday dishes.
The Greatest Grater The challenge is on, who can grate the most cheese in 20seconds? Step up the grate British public and try you luck!
Beer Cheese Soup Recipe : Grate Cheddar Cheese for Beer Cheese Soup Techniques for grating cheddar cheese; learn when to add cheese to Beer Cheese Soup in this free recipe video. Expert: Michael Halbe Bio: Chef Michael Halbe has been in the restaurant industry for the past 26 years. He is currently Kitchen Manager at the Cheesecake Factory in Chandler, AZ. Filmmaker: Joshua McCoy
Diffraction Gratings & green laser Demo Tutorial Diffractin gratings Demonstration tutorial of a Viper laser pointer and 3 types of starburst diffraction grating. Viper is courtesy of http starburst Diffractin grating are courtesy of .au
Baked Spaghetti Squash Casserole Recipe : Grating Parmigiano-Reggiano for Spaghetti Squash Casserole How to grate the Parmigiano Reggiano for making spaghetti squash casserole; learn more about homemade casserole recipes in this free cooking video. Expert: Lori Schneider Contact: Bio: Lori Schneider is a chef and owner of Figs Catering in Austin, Texas. Filmmaker: Drew Noah
Ganon hates grating cheese The king is hungry, Link cant wait to terrorize the minorities and Ganon is up to no good. Just another normal day in the world of Philips CD-i.
How to Prepare Traditional German Recipes : Grating Potatoes To Make German Potato Pancakes How to grate potatoes to make German potato pancakes; learn more about traditional German food in this free cooking video. Expert: Rainer Wickel Bio: Rainer Wickel is a gourmet chef and restaurateur who has over 25 years experience in the culinary arts. Filmmaker: Grady Johnson
Fiberglass Grating impact test of fiberglass grating or FRP Grating
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Grating Removal Safety This procedure provides guidelines to Contractor for the temporary removal of grating and creating a hole in the ground, floor, or structure.
Diffraction Grating Experiment Diffraction grating experiment using mercury as a light source. the emission spectrum seen shows (from right to left) Violet, indigo, Green, orange.