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Questions related to Optics
Hi guys, I just would like to know if you could recommend me any good laser company for purchasing for this CW laser I am interested in. I would be very grateful if by your experience you know of...
19 May 2016 6,188 5 View
How much change in the value (in eV) of optical band gap is considerable?
10 May 2016 9,233 4 View
I am doing the final year project regarding the determination of the refractive index and thickness of Barium Titanite using prism coupler. I'm not sure I get this result is correct or not. This...
06 May 2016 2,586 1 View
An optical carrier is split into two paths. One is frequency-shifted by acoustooptic frequency shifter, and the other one directly goes through a fiber. the two opcial paths are almost equally....
02 May 2016 405 1 View
Is it possible to model the objective lens using either fourier transform formula or geometrical optics calculation derived for thin lens. If it cannot be modeled in this way, what is the focal...
02 May 2016 7,053 2 View
Approach: We want to pass (non-parallel) broad-range (400-1100nm) light through milk and collect ALL of it and concentrate it onto a slit of dimension 50umx1mm. Question: Is it possible? Can we do...
12 April 2016 8,023 11 View
When I calculate the second-order nonlinear optical susceptibilities by using Method from S. Sharma(DOI: 10.1103/PhysRevB.67.165332), I get d33's shape like the image attached which the absolute...
12 April 2016 1,326 1 View
I need to know the phase conjugation is equivalent to the spectral inversion. The math can help me more in understanding. If I have a signal X+jY, if I converted it to X-jY, It will be spectrally...
07 April 2016 6,149 1 View
Can circular grooves of CD/DVD be replaced by straight grooves as shown in the picture, by standard CD/DVD ROM manufacturing machines with some non-permanent tweaks? Can the grooves spacing be...
07 April 2016 3,972 14 View
why when using Optical Spectrum Analyzer we can see a peak to peak but wavelength does not change??what it does mean??
03 April 2016 4,721 3 View
Good morning, I am a graduate student, new in researching the transmission and stability of optical solitons. I've read some articles about it, and a method named 'Vakhitov–Kolokolov criterion'...
02 April 2016 5,391 4 View
I am currently using a broadband light source (300-1100 nm spectrum) and my dispersion at a few feet is too large for me to receive any feedback. I understand that I cannot increase brightness but...
01 April 2016 259 3 View
Is there any component in optisystem "tunable optical delay line"?
29 March 2016 1,055 3 View
Consider a 2D (or a higher dimension) chaotic map like Tinkerbell map: x(n+1) = x(n)2 -y(n)2 +a x(n) +b y(n) y(n+1) = 2x(n)y(n) +c x(n) +d y(n) Suppose that we don’t know the above equations and...
26 March 2016 7,661 3 View
We need optic fiber with zero dispersion wavelength in range of 1650 - 1700 nm.
24 March 2016 8,253 17 View
Most of imaging methods aim at amplitude object imaging. What about phase object imaging? Is there a method that can image both amplitude and phase simultaneously？
22 March 2016 2,221 13 View
can any one explain what is the reason behind the peak amplitude decreases after cementing the both hexagonal prisms?
21 March 2016 9,136 1 View
I could not find much papers on demonstration of SBS in integrated semiconductor waveguides. I wonder if it is possible at all.
20 March 2016 5,409 0 View
When two counter-traveling modes produce a standing wave pattern in a semiconductor ring laser, population inversion grating is formed which couples one mode to another, leading in unidirectional...
15 March 2016 8,869 6 View
How to select the SESAM's parameters like modulation depth, saturation fluence, and recovery time according to my laser cavity with wanted pulse width and output power？Is there any formula to...
10 March 2016 2,299 4 View
Crystal
07 March 2016 1,359 1 View
I want to transmit a dual tone or dual wavelength optical signal (i.e. the multiplexed one) through a standard single mode fiber, but when I transmit the signal it gets distorted because of...
02 March 2016 6,043 7 View
I wish to know the fabrication difficulties limiting the manufacture of very low surface sidewall roughness in III-V optical waveguides?
02 March 2016 8,616 1 View
I would like to know the maximum rate of pairs of photons that can be generated by SPDC (and detected) with a continuous wave laser (405 nm). The crystal used is a 1 cm long 10 um period PPKT...
25 February 2016 3,471 4 View