Tag: optics

14 Why is it more reliable to use the land/pit transition in a CD-ROM? 2015-06-25T09:02:53.780

13 Why are lasers used for concentrated light applications instead of incoherent light sources? 2015-05-31T17:59:30.210

12 Will more electricity be generated by using a lens to focus sunlight onto solar cells? 2015-05-05T05:09:47.133

11 How does a microbolometer (IR camera) work? 2015-04-30T10:44:18.687

10 What liquid crystals are used most frequently in displays? 2015-04-21T18:29:41.173

8 What is the focal distance of an optical mouse? 2015-02-02T19:03:47.180

7 Must rifle scopes have revealing reflections? 2015-03-23T13:36:47.700

7 How can I estimate blocking window distance in an sCMOS sensor setup? 2015-12-28T23:17:54.183

7 Can cameras+display screens with window/mirror-like optical behaviour exist? 2016-03-17T12:32:46.257

6 How to avoid dyed liquids staining reflective/transparent surfaces 2015-04-22T15:04:50.520

6 What does 'easily reversed' mean in the NIST spectral database? 2015-06-23T23:38:25.450

5 Do contiguous laser curtains exists? and if not are there any lenses that could spread a concentrated beam into a "planar" beam 2015-03-30T18:06:16.157

5 How does an ultrasound device determine where the reflection is coming from? 2015-05-23T04:10:28.997

5 Transparent, hard material that lets infrared through 2016-04-11T04:41:31.130

5 How can I detect black spots? 2017-12-09T15:46:05.237

4 How can I make a rudimentary sunspotter? 2015-01-21T00:46:00.803

4 Focusing light from a laser shot into one point 2015-05-28T23:54:37.397

4 Precision measurement of liquid levels 2015-08-10T13:47:52.457

4 Difference between continuous wave laser and a pulsed laser 2015-10-05T13:26:22.700

4 Modifying a fixed camera lens for close focus 2015-12-04T02:26:29.427

4 Generating a IES file from an illuminaire and a lens 2015-12-31T17:12:31.867

4 Periscope camera with a mobile phone, how to make walls not visible on the camera/alternative solution? 2016-10-19T15:05:04.573

3 Building laser interferometer from CD/DVD drives parts 2015-04-25T11:39:48.287

3 Why is the jacket or sheath of fibre optic endoscopes always black? 2015-10-24T04:58:47.113

3 How does the Michelson interferometer measure the self-coherence function of coherent light in an incoherent background? 2016-06-12T13:19:03.080

3 Optics for a triangulation laser distance sensor 2016-07-11T18:35:54.860

2 How can I measure the brightness of a LED? 2015-01-21T02:29:22.187

2 What optics and display are used in Microsoft HoloLens? 2015-11-04T20:27:11.587

2 Lens to "stretch" or enhance vertical resolution in a photo 2015-12-04T02:24:26.047

2 What happens when very bright coherent light and weaker incoherent background light passes through doubly cascaded diffraction gratings? 2016-05-30T23:07:27.710

2 3D matrix for staggering 5 ten degree wide bands of angle of incidence shifted by target wavelength and optical path difference in arithmetic series 2016-07-07T10:00:00.107

2 How to focus the flashlight of a smartphone? 2017-01-23T02:56:08.397

2 how do tilt-shift DSLR lenses and video projector lens shift lenses work? 2018-02-07T08:42:04.667

1 How fast can a VEX robotics light sensor operate? 2015-05-20T04:58:27.930

1 How to digitalize a UV image (create an array of the light output at the pixel level)? 2016-01-17T07:20:42.203

1 experiment with interlacing to achieve 3d effect 2016-03-06T16:21:46.400

1 Is it possible to reduce the divergence of a red laser pointer beam from 40 degrees to 1 degree? 2016-05-29T17:45:56.153

1 How to measure the luminance an unevenly lit object? 2016-07-22T11:39:35.873

1 Why aren't screens round instead of rectangular? 2016-10-03T19:47:31.747

1 Are thermal (LWIR) lenses as capable as visible-wavelength optics? 2017-01-13T16:19:29.853

1 How do LED traffic light diffusion lenses work? 2017-01-23T23:33:47.853

1 Matlab code for a visible light communication system 2017-03-09T09:08:14.463

1 Design of Compound Elliptical Concentrator and Compound Parabolic Concentrator 2017-05-01T00:56:07.757

1 How to get a brighter, sharper image from a projector lens 2017-06-22T02:55:39.483

1 Optical methods for reaction engineering 2017-08-03T20:26:09.087

1 Use Fiber microscope to view micron sized particles 2017-10-13T06:08:43.340

1 Where could I find, or what is a material that could be used with 30 GHz pulsed DC current to produce 30 GHz pulses of light? 2017-12-11T19:15:47.570

1 What optics system can create an image both smaller and further away from the system than the source object? 2018-01-18T02:14:12.077

1 How can I build a micrometer diameter laser beam from a common laser diode? 2018-01-31T00:37:42.570

0 Is it possible to make a tunable coherent light filter with 1.8 nanometer bandwidth for visible light? 2016-03-01T10:48:56.533

0 What's the widest spectrum a single camera could process? 2016-03-17T19:05:03.627

0 Light transmittance of acrylic with temperature 2016-07-07T18:47:41.170

0 Flatten cylindrical image using lens 2016-07-15T09:37:50.307

0 How is an digital coherent receiver able to achieve 100 Mhz line-scan rate for detecting coherent light in the presence of incoherent light? 2016-07-30T10:06:42.380

0 Reusable 100um x 5mm flow chamber 2016-08-11T06:46:44.943

0 How to see through an opaque mask? 2017-02-23T05:03:50.457

0 How might I see through a completely solid plate of steel worn as a mask? 2017-02-25T19:05:24.197

0 How hard is it to create a half-silvered parabolic mirror? 2017-04-11T03:15:48.340

0 Can we see a nanowire? 2017-05-30T06:52:16.400

0 Device that emits a safe beam of light - doesn't have to be visible (Like laser, but safer) 2017-06-09T07:01:23.657

0 Is it possible to measure x & y displacement components with a single point (out-of-plane) vibrometer? 2017-08-15T14:32:30.230

0 Select a lens for IR receiver 2017-10-27T19:04:42.560

0 Are DVD laser diodes single transverse mode? 2018-02-14T00:18:37.507

0 Can I use an optical fiber to direct a laser cutter? 2018-02-23T14:23:09.017

0 Does ITO coating cause IR reflectivity for glass and film? 2018-03-03T10:51:35.787

-1 Would it be hard to create a camera that could see the whole electro-magnetic spectrum? 2015-11-25T12:03:27.233

-1 Is it possible to adapt the design and principle of operation for a tunable microwave photonic notch filter to a visible light photonic notch filter? 2016-08-03T17:42:35.820

-3 How many times can the best mirrors reflect in space? 2016-11-27T09:40:50.630