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Questions related to Optics
Why does dipole moment of water molecule and polarizing effect produced by hydroxyl (OH) group saturate the polarizability of surrounding atoms in response to a light wave field? So the non linear...
26 October 2016 4,010 2 View
I'm working on birefringence in photonoc crystal fibers. but now i have a question about the positive effects and applications of birefringence.
19 October 2016 1,813 4 View
I have implemented one algorithm for optic disc detection. Results of the algo. is needed to be compared with ground truths of stranded data set such as STARE and DRIVE. But I don't know how to...
03 October 2016 345 3 View
I'm working on method of creation and design an objective that working in the conditions with high radiation levels.
03 October 2016 1,376 9 View
Hi folks, I am going to find the band structure of a 1D photonic crystal waveguide by COMSOL. There is an example in application library for 2D photonic crystal with a 2D geometry. In the example...
28 September 2016 5,397 9 View
Hello. I have the following situation. Laser beam: D=5 mm diameter 1/e2, lambda=1064 nm, CW, TEM00. Fiber: NA 0.13-0.15, mode field diameter w=5.3-6.7 um In a technical note from Newport, I found...
14 September 2016 8,075 32 View
A zinc-oxide deposited excessively tilted fibre grating sensor was used for ambient refractive index sensing and encouraging sensitivity was recorded. But i need to know the resolution of this...
05 September 2016 2,153 4 View
How to measure optical channel capacity for an optical system (say 4f optical correlator) assuming a free space propagation, can it be measured using the imaging detector at the output end of the...
27 August 2016 3,692 1 View
Anybody know the papers about diode laser pumped OPCPA/OPA?
29 July 2016 2,592 14 View
How can i check that the Circular polarized beam is Right-handed or Left-handed? I use a Quarter-wave plate to make the circular polarized beam. I don't mind any method.
21 July 2016 3,120 3 View
As far i have understood, the field form in vector notation can be described as E(R) = ( εx - i εy) * u(x,y,z) * e( - i l Φ) - Right Circular LG beam E(L) = ( εx + i εy) * u(x,y,z) * e( i l...
14 July 2016 1,500 3 View
Does circular polarized light with same screw like that of the chiral material always reflected or only under specific condition? What is the Jones matrix describing propagation through chiral...
14 July 2016 8,655 2 View
Currently, I am putting up a 2 micron mode-locked fiber laser oscillator based on SESAM. However, I am encountering several problems with my experiment, My questions are as follows,First of all, I...
08 July 2016 3,187 9 View
I want to simulate a phase conjugation module to compensate chromatic dispersion, using FWM.in the Article that I am regenerating , used Simulink but I think optisystem is easier than Simulink.in...
06 July 2016 2,406 4 View
Coupling is very selective to the mode. Different modes corresponding to different frequencies/wavelength can be coupled and filtered. May SPR phenomenon be useful to get very narrow band filters....
03 July 2016 8,854 3 View
I have a SESAM and a rare-earth doped fiber (Nufern-TDF-25/400) to do experiment, actually the SESAM is from Batop, its modulation depth is about 20%, the linear cavity is used. I also use the...
17 June 2016 4,566 2 View
I wish to get two Gauge Blocks with lines on side faces. I need these to validate line scale measurement with long Gauge Blocks Can someone suggest a firm?
10 June 2016 6,671 2 View
Thin-film optical anti-reflection coatings are often specified at about 0.1% - 1% transmission loss. For a wavelength-specific V-coating, 0.1% is probably a good estimate. But does anyone know...
08 June 2016 8,554 5 View
Hello everyone, I am attaching herewith few time domain visualizer output got from simulation using optiSystem, and some voltage overshoot and undershoot is noticed, it is seen in most of the...
29 May 2016 2,031 4 View
- what is the physical reasoning behind it - reference of the paper
26 May 2016 5,070 5 View
Dear All, I want to calculated the Nonlinear optic and first hyperpolarizibility of an organic molecule. So it would be so much appreciated if some one tell me what to write in the route section...
25 May 2016 2,578 3 View
In Stimulated Brillouin Scattering, there is an interaction between optical and acoustic wave. On what parameters does the frequency of this acoustic wave depends ?
22 May 2016 7,134 10 View
They call it the 4 f system, but what is the necessity of placing the image screen at the fourth focal plane, when the light coming out of the second lens is anyway collimated?
21 May 2016 2,603 7 View
Hello friends, I like to extract the dielectric constant from the scattering matrix. I had measured the scattering matrix (transmission and reflection) of my flexible substrate using...
19 May 2016 7,675 5 View