Optics Forum

Post thread
I Prism Spectrometer Objective: Optics Question
Replies
9
Views
152
I Viewing 1k x 1k slab of desert sand during extreme cold/hot temps?
Replies
6
Views
139
I How to narrow a beam to 1 mm diameter?
Replies
1
Views
176
I Interference of two ultra short laser pulses
Replies
9
Views
237
B Questions about the Paraxial region for a single spherical surface
Replies
24
Views
352
A Collimation of a Gaussian beam
Replies
8
Views
758
I It's still not clear to me what's the limit of light propagation
Replies
5
Views
250
I Factors that influence depth of field
3
Replies
77
Views
1K
A Fourier Optics: Why a Plane Wave contributes to just a single point
Replies
13
Views
411
I Will cooling or heating a pair of binoculars change the transmitted image?
Replies
3
Views
250
I Permittivity (epsilon) change via temperature + optics effect?
Replies
3
Views
234
I Explanation for homemade digital microscope's optical systems?
Replies
3
Views
481
I Microring resonator matrix
Replies
3
Views
352
Mirror phenomenon — Concentric halos around eyes in a foggy bathroom
2
Replies
55
Views
20K
B How would someone see light from something like a flashlight in a tunnel?
Replies
6
Views
445
B Did Thomas Young Misinterpret His Double Slit Experiment Results?
Replies
34
Views
791
B Horizon and Curvature Observations
Replies
23
Views
637
I Laser and nano-holes experiment
Replies
3
Views
890
Measure the transmission curve and wavelengths of colored mineral glass
Replies
5
Views
478
B How to build a simple polarization filter
Replies
11
Views
512
B Light beams and their reflection
2
Replies
64
Views
1K
B How to Troubleshoot a Lens Focusing Issue with a DIY DSLR Lens
Replies
10
Views
684
I Exploring Co-Phasal Wave Fronts in Fizeau Interferometry
Replies
7
Views
767
I Why Are Reflected Rays Often Ignored in Lens Studies?
Replies
5
Views
523
I Lumens and actual power of luminous flux
Replies
16
Views
879
I What travels faster: visible light in water or X-rays in liquid mercury?
Replies
6
Views
737
I Looking for information on Verity SD100 monochromator unit
Replies
24
Views
929
B Pfund's method for refraction
Replies
11
Views
1K
I Does a Fabry Perot cavity charge in discrete steps?
Replies
12
Views
1K
A Mach Zehnder Interferometer Interference fringes issue
Replies
10
Views
777
A Simulating collecting efficency of a LiDAR
Replies
2
Views
591
A Question about detector and lens
Replies
12
Views
799
B Understanding Corrective Lenses: Examining Reversed Prescriptions
Replies
5
Views
928
A About collimation in Czerny-Turner spectrometers
Replies
1
Views
830
I Calculating the Raleigh Criterion constant to 99 significant figures
Replies
3
Views
1K
I Need Help Identifying Old Optic Device
Replies
6
Views
944
I Lens Calculations to Focus Light
Replies
10
Views
1K
I What website/software can draw optics setups like this?
Replies
1
Views
860
I Recreating Spectral Response from 6-Channel Color Sensor
Replies
2
Views
849
A Diffraction theory, power density and angle of incidence
Replies
5
Views
978
I Help with sourcing a specific type of integrating sphere
Replies
2
Views
818
I Measuring reflectance of a non-planar object w/ an integrating sphere
Replies
6
Views
981
I Creating a wavelength selectable light source with diffraction grating
Replies
2
Views
836
I What happens if I place light sources on the plane perpendicular to the principle axis of cylindrical lens?
Replies
1
Views
746
How to find the orientation of polarization of a polarizer
Replies
6
Views
4K
I Can n-slit interference produce subwavelength stripes?
Replies
6
Views
922
B (Huygens) Irving Giant Pinhole variation: Extend it with a 70 mm tube?
Replies
4
Views
905
I How Does Diffraction Influence Shadows and Optical Observations?
Replies
3
Views
932
I Optical Effect: curved light source when seen through the bus window
Replies
5
Views
942
I Can an Aspheric Lens Narrow the FOV for Motion Detection Systems?
Replies
1
Views
959
I How is IR ink able to be seen with specialized filters?
Replies
3
Views
942
I Can I Use Additional Wavelengths for a More Advanced Hue Calculation?
Replies
19
Views
1K
I Optical pumping vs Rabi cycle - what is the difference between their conditions?
Replies
5
Views
1K
B Huygens Question - Using a Pinhole Box in the Giant Pinhole Irvine
3
Replies
70
Views
3K
I How different is a calcite crystal from a polarizer?
Replies
3
Views
1K
I Reflection, refraction, and Snell's law
Replies
23
Views
3K
I Huygens' principle doubt -- How do different shapes of wavefronts appear to the human eye?
Replies
28
Views
2K
Define the polarization in TE/TM modes
Replies
4
Views
13K
I Sine laws of spherical singlets
3
Replies
72
Views
3K
Looking for trigonometric ray tracing software for optics
Replies
22
Views
2K
A Spherical aberration in Biconvex lens
Replies
9
Views
2K
A Calculating the optical depth of an inhomogeous gas
Replies
1
Views
1K
I Sagnac Interferometer (Fiber Gyro)
Replies
1
Views
998
I Automatic double lens glasses?
Replies
3
Views
1K
I My spectacles defy the laws of physics
Replies
13
Views
1K
I Tilted plane wave through a 2 lens system
Replies
5
Views
1K
A Stimulated emission/absorption - which equations act on external targets?
Replies
2
Views
1K
B Scattering of light by dust particles
Replies
4
Views
1K
I Stimulated Emission & Emitted photon direction
Replies
1
Views
1K
B Why are light waves depicted as lines, circles, and sinusoids?
Replies
18
Views
2K
B Is this material is good for fiber optics and who would buy it?
Replies
2
Views
1K
B Scattering of light inside a room
Replies
22
Views
1K
A How is it possible to measure an IR LED source in mW/sr?
Replies
16
Views
2K
I How to Measure Magnification of a Lens System with Liquid Surface
2
Replies
40
Views
3K
A What exactly is deconvolution doing?
Replies
13
Views
2K
I Questions About Bragg's Law of X-Ray Diffraction
2
Replies
54
Views
5K
I 2mm x 2mm mirror array construction - can you help?
Replies
2
Views
1K
I Optics: infinite light source illusion question - can you help?
Replies
8
Views
2K
I Photodetector Output & Refractive Index of FO Cladding/Coating
Replies
1
Views
1K
B Does light propagate as a wave of little bullets?
Replies
34
Views
2K
I May I treat the light from a star as a light beam?
Replies
11
Views
2K
Light Transmission Through Half-Hollow Sphere
Replies
5
Views
1K
B Does light ever go from the eye to the image?
Replies
17
Views
2K
B Shouldn't the refracted ray be along the boundary here?
Replies
5
Views
1K
B Shape of Lenses -- Why are they always circular?
Replies
12
Views
1K
I Why do we use low-coherence light in Optical Coherence Tomography?
Replies
1
Views
1K
I How Does Light Remain After Polarization Despite Changes in Its Electric Field?
Replies
10
Views
2K
I Light Refraction, Biconvex Lens, Diagram Help
Replies
9
Views
2K
A Four-way beamsplitter implementation
Replies
4
Views
1K
I Outer layer refractive index - total internal refection on waveguide
Replies
2
Views
1K
B A cone of photons from one (of many seen objects) hits the retina....
Replies
25
Views
2K
I Exploring Particle/Wave Duality in Photons
Replies
12
Views
1K
Evaluate the outgoing radiation from an optical fiber on a surface
Replies
1
Views
1K
I Applications of Virtual objects
Replies
9
Views
2K
I The kinetic energy of proton-electron for a black body
Replies
8
Views
1K
B What Powers Light? Exploring Photon Energy Across the Galaxy
Replies
13
Views
2K
A Fourier optics model of a 4f system
Replies
1
Views
1K
I Grating Resolving Power of Laser Beams with Gaussian Distribution
Replies
2
Views
2K
I Class debate: Everything we see is a result of reflected light
Replies
18
Views
2K
I William Herschel's light experiment
Replies
15
Views
2K

Hot Threads

Recent Insights

Back
Top