Laser Diode Controller An electronics company just sent me 20 (twenty) 4011 Quad NAND Gate chips, what should I make with them?
I just got so many samples from different electronics companies. they include:
20 (twenty) 4011 Quad NAND Gate chips
some ICM7555 (already used half of em)
a couple of Blue-Ray Laser controllers (can't use them because they are surface mount)
A few IRF510 N-Enhancement MOSFETs
Some NPN TIP transistors
Some 1N4018 diodes
Some Bi-Color LEDs
and some other stuff that I have plans for already.
You can use the NAND gates to make flip-flops and put them in an array or more to produce one or more registers. Alternatively, you can use them, together with your transistors (BJTs or MOSFETs) to produce a multiplexer/de-multiplexer (N.B. any logic gate can be produced with NAND or NOR gates).
If you then use the LEDs with your multiplexer, you can light different ones up by inputting their unique binary address into your multiplexer. If you increment the address values you feed into the multiplexer by 1 every few seconds (maybe use the ICM7555 chips and any remaining NAND gates to increment the addresses automatically) you can get your LEDs to light up and turn off one after the other in sequence.
You can use the transistors on their own, with some resistors and capacitors, to make some signal amplifiers (maybe audio amplifiers). Maybe use them to make NAND gates (or any other logic gate) from scratch and compare the performance of your gates with the ones you already have.
There are a lot of things you could do with the components you have. I suggest you go to the following website (Datasheet Archive), get the documentation for your components, and have a look at any example circuits that are given in there. You can also search on the Web for the word "circuit" or "circuits", together with one or more of the codes for your components to see what kinds of circuits people have made with them.
Laser Diode Microsystems provides the reader with the basic knowledge and understanding required for using semiconductor laser diodes in optical microsystems and microoptical electromechanic systems. This tutorial addresses the fundamentals of semiconductor laser operation and design, coupled with an overview of the types of laser diodes suitable for use in Microsystems, along with their distinguishing characteristics. Emphasis is placed on laser diode characterization and measurement as well as the assembly techniques and optical accessories required for incorporation of semiconductor lasers into complex microsystems. Equipped with typical results and calculation examples, this handon text helps readers to develop a feel for how to choose a laser diode, characterize it and incorporate it into a microsystem. Author: Zappe, Hans P./ Zappe, H. Series Title: Microtechnology and Mems (Hardcover) Binding Type: Hardcover Number of Pages: 355 Publication Date: 2003/10/10 Language: English Dimensions: 9.21 x 6.14 x 0.81 inches
This book basically gives the over view about The properties of erbiumdoped fiber amplifier (EDFA) such as gain and noise figure have been studied. By determining the characteristics of the 980nm, 1480nm 1550nm laser sources and ASE (amplified spontaneous emission) at the output of the amplifier used to determine the gain and noise figure of EDFA. This model allows to follow the signal (1550nm), pump (980nm) and ASE as they propagate along the fiber and determine population inversion .The both forward and backward propagation ASE are important in determining the overall gain and noise figure. For the amplification of more than 80 channels the DWDM (Dense Wavelength Division Multiplexing) has required CBand (15251565)nm and LBand (15651610)nm EDFA.We show that a flat gain spectrum can be achieved in the range from 1565 to 1610 nm when the EDF length, pump power and pump configuration are appropriately chosen. Special care must be taken when selecting the EDF length. Author: Kumar, Pankaj/ Kumar, Chakresh/ Chack, Devendra Binding Type: Paperback Number of Pages: 68 Publication Date: 2011/06/19 Language: English Dimensions: 9.02 x 5.98 x 0.16 inches
Replace your damaged laser diode built for Playstation 3 KEM400AAA and KES400AAA laser lenses. Use and replace your laser diode with precaution. All laser diodes are extremely ESD sensitive. Compatible Models: Playstation 3 compatible KEM400AAA and KES400AAA laser lenses (sold seperately). Note: Installation guide is not included' please look for it online or use the help of an accreditate technician. We will not be responsible for any damage of your device due to improper installation. This item takes between 721 days to ship/arrive because it ships out of Hong Kong or China.
Replace your damaged laser diode built in your PlayStation 3 KEM410 and KES410 laser lens. Use and replace your it with precaution as this laser diode is very fragile and extremely ESD sensitive. Compatible Models: Playstation 3 compatible KEM410 and KES410 laser lenses (not included). Note: Installation guide is not included' please look for it online or use the help of an accreditate technician. We will not be responsible for any damage of your device due to improper installation. This item takes between 721 days to ship/arrive because it ships out of Hong Kong or China.
In this book, the design of InGaN LDs structures including multi quantum wells (MQWs) active region device are described and investigated by integrated system engineering technology computer aided design (ISE TCAD) device simulator. The parameters of the LDs structures are varied and optimized for high performance. This optimization study involves aspects such as thickness of active region, doping, thickness of stopper layer region, thickness of quantum wells and quantum barriers, number of quantum wells and several approaches to improve and achieve high efficiency, low threshold current and high output power of InGaN LDs. The basic LDs structures treated here are FabryPerot type InGaN double heterostructure (DH), separate confinement heterostructure (SCH) and multi quantum wells (MQWs).High performance LD has been obtained by using multi quantum wells incorporated with the optimized parameters. The lowest threshold current, higher external quantum efficiency and characteristic temperature are obtained when the number of InGaN well layers is two, at our laser emission wavelength of 415 nm, which is related to the problem of inhomogeneous carrier. Author: Thahab, Sabah Binding Type: Paperback Number of Pages: 232 Publication Date: 2011/01/31 Language: English Dimensions: 5.98 x 9.00 x 0.53 inches
Enterococc faecalis considered to be the mostresistant bacteria of the root canal, in the presentstudy we used two types of root canal disinfectant toshow their effect on this type of bacteria, the firstis the diode laser and the second NaOCl solution withspecial concentrations and times. the study conductedon human decoronated extracted teeth, adjusted with13mm root length, filled with a suspension of E.faecalis, Samples were divided into 14 groups eachgroup consisted of 10 prepared roots, sixty sampleswere irrigated with NaOCl solution at differentconcentrations (0.5, 2.5 and 5.25) at twoselected times (2 minutes and 5 minutes) for eachconcentration.Sixty samples were irradiated at different powers (2W, 2.5W and 3W); each power at thetotal irradiation time 30 and 60 seconds. Whencomparison was made between NaOCl irrigant and diodelaser in a combination among differentconcentrations, powers and times the result showedthat 5.25 NaOCl at both 2 minutes and 5 minutes hadthe highest antimicrobial effect with no significantdifferences from 3W laser / 10 sec (6 cycles) butsignificantly different from 3W / 5 sec (6 cycles). Author: Shehab, Najwan F./ Zakaria, Assistant Prof Nawfal a./ Taha, Prof Dr Mahmoud y. Binding Type: Paperback Number of Pages: 104 Publication Date: 2011/07/29 Language: English Dimensions: 9.02 x 5.98 x 0.25 inches
This book summarizes a five year research project, as well as subsequent results regarding high power diode laser systems and their application in materials processing. The text explores the entire chain of technology, from the semiconductor technology, through cooling mounting and assembly, beam shaping and system technology, to applications in the processing of such materials as metals and polymers. Includes theoretical models, a range of important parameters and practical tips. Author: Bachmann, Friedrich/ Loosen, Peter/ Poprawe, Reinhart Series Title: Springer Series in Optical Sciences Series Number: 128 Binding Type: Paperback Number of Pages: 560 Publication Date: 2010/11/29 Language: English Dimensions: 9.21 x 6.14 x 1.14 inches
PPRF Wireless PowerPoint Remote from Honeywell is a remote control designed to facilitate presentations and public speaking. It will work with Microsoft PowerPoint and most presentation software. It also includes a laser pointer within the controller...
The ATLS_XXX_103 series laser drivers/controllers have ultra low output noise, compact size, and comes with current limit protection function. The maximum output current of this laser driver can be selected to be: 100mA, 200mA, 250mA, 500mA, and 1A, with the output RMS noise to be: 0...
The ATLS250MA103D laser driver/controller have ultra low output noise, compact size, and comes with current limit protection function. The maximum output current is? 250mA, with the output RMS noise is: 1...
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Know All About Permanent Laser Hair Removal
Today permanent laser hair removal is now the second most common cosmetic procedure in the world. It has been used to help both those who are experiencing excessive hair growth because of illness, and those who are genetically predisposed to it. Actually laser hair removal is a technique that uses to remove unwanted hair form your body and face. The laser hair removal technique comes in use in 1990. Newer lasers remove hair from your body safely, affordably and effectively. It's not an issue what type of skin you have. The common philosophy about laser hair removal is that it is permanent to remove hair, but doesn’t work on every body.
The hair removal method like waxing, shaving and plucking from your body are not permanent and also these are uncomfortable, time consuming and expensive. After a day later they return back so you may be interested in laser hair removal. There are a wide variety of laser technologies out there, and they are not all created equal. There are Alexandrite lasers, Ruby lasers, nd: YAG lasers, Diode Lasers, and Intense Pulse Light systems, which are not lasers at all but approach the problem in a similar manner. Some systems are better or worse for different skin types or hair colors, so be sure to ask your laser skin care professional in the equipment they use is well suited to give you the result you are looking for.
Lasers are designed to target the cells of the hair follicles without causing harm to any nearby tissues. Short pulse lasers will heat the target cells less than long pulse ones, and are less likely to cause thermally-induced skin scarring, one of the possible effects of laser hair removal on the skin. There are also lasers controlled by automatic scanning which limit the range of the pulses to the correct areas.
The aim is to destroy the target cells while avoiding harm to the surrounding tissue. Short pulses reduce the amount that the damaged cells heat up, thereby reducing thermal injury that could result in scarring. Automated scanners aim to reduce the chance of overlapping treatment areas.
If you have dark skin, laser hair removal can cause discoloration unless you use a specific machine created for dark skin. Lasers use pulse light to break down and target the dark pigment in your hair referred to as melanin. Lasers target the melanin in dark skin, which can cause discoloration. Hair growth progresses in three phases, growing, resting and shedding. Lasers and pulsed light target hair in the growth phase.
Some Possible Effects of Permanent Laser Hair Removal Technique:
1) The new hair growth after laser is may be thinner and the color is different from the original hairs. New hair may be growing in the area near by to the treated areas.
2) Redness for up to 1-4 days. Swelling and feel pain for up to 2- 3 days. Infection, scab formatting and crusting is also the type of side effects which a person faces after laser hair removal.
3) Laser hair removal can cause a temporary increase in skin-darkening pigments, especially in those who have naturally dark complexions or tan frequently. But the darkening can be lightened easily with skin bleaching products.
4) One of the more serious effects of laser hair removal on the skin is blistering. Blistering most often occurs in patients with the darker skin which demands higher laser exposure. To prevent blistering these patients should have their treated skin tissues cooled with a contact chill tip. Blistering, thanks to various new cooling techniques, is almost non-existent.
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