A double heterostructure Fabry-Perot edge-emitting laser in the AlGaAs/GaAs system emits in the neighborhood of 900 nm. The chip is 200 μm long. What is the wavelength difference between two adjacent modes?

Q: A. By calculations show that: Ve v =(2 sin(@ct) + d x cos[(wc – Wm)t] – d x cos[(wc + wm)t]) where d…

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Q: 8.2-7 Single-Mode Waveguide. What is the largest thickness d of a planar symmetric dielectric…

A: Given that,n1=1.50 & n2=1.46No. of modes, m≈2Vπ, Here only one TE mode is present, So,…

Q: Q/1) The length of the optical cavity of a Nd-YAG laser is 30 [cm] and the wavelength 1.06µm. The…

A: Given Data: Length of optical cavity is L=30 cm Wavelength is λ=1.06μm Index of refraction is n =…

Q: The half-width of the gain profile of a He-Ne laser material is 2 x 10-3 nm and length of the cavity…

A: GIVEN   The half-width of the gain profile of a He-Ne laser material is 2 x 10-3 nm and length of…

Q: What is the expected color under ultraviolet light and what is the wavelength of fluorescence for…

A: The energy is given by E=hcλ  --(eq-1) Where E is energy, h is Planck constant, c is speed of light…

Q: An interference filter is to be constructed for isolation of the nitrobenzene absorption band at…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A laser with an average power output of 15.8 mW puts out a narrow beam 2.00 mm in diameter. What are…

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Q: ppose that intensity of a laser is (315 / π) W/m2. The rms electric field, in units of V/m…

A: Given data-I=315π W/m2∈0=8.86 × 10-12 C2Nm-2 c = 3 × 108 m/s

Q: A CdTe planar wafer has an absorption coefficient of 3.2 × 104??−1 for the light of wavelength 530…

A: Given Dataλ=530nmabsorption coefficient=3.2×104cm-1

Q: How would you design a 1.5 µm edge- emitting semiconductor laser to generate a 40 GHz pulse stream?…

A: Given: v=40 GHz L=1.5 μm

Q: 4. A 20.0-mW (milli-Watts) laser puts out a narrow cylindrical beam 1.60 mm in diameter. What is the…

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Q: The figure below is the X-ray diffraction (XRD) pattern of Nb, which has a BCC crystal structure A…

A: To calculate the lattice spacing d, use the Bragg's law  nλ=2d sinθ         …(1) where n is the…

Q: Q/ Given a TEM00 beam of 1 = 10.6 µm from CO2 laser with a minimum beam waist (W. = 1 mm) located at…

A: Note: As per Bartleby's rule, only one question should be answered. Kindly resubmit the other…

Q: A CdTe planar wafer has an absorption coefficient of 3.2 × 10^4??−1for light of wavelength 530 nm…

A: Given  Coefficient of absorption for 530 nm wavelength of light is (α) = 3.2 × 104 let thickness of…

Q: GaAs DH injection laser (refractive index: 3.6) has an optical cavity of length 50 μm and width 20…

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Q: A mid-infrared CO₂ laser emitting 10.6 um light is based on the cavity below. (a) Find the location…

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Q: A 15.8-mW laser puts out a narrow beam 2.40 mm indiameter. What are the rms values of E and B in the…

A: Given quantities: power of the laser (P) = 15.8 mW diameter of the beam (D) = 2.40 mm   Let, the…

Q: What is the type of emission for a crystal transmits an E.M wave with 1GHz at room temperature?

A: Given,  Frequency of EM wave = 1 GHz  We know wavelength L = c/f  Where f is the frequency So, L = 3…

Q: a) The bandwidth of silicon is 1.12 eV. Photon that can create a hole-electron pair in silicon…

A: We know light can be considered as a particle called photon. Each of this photon will have an energy…

Q: Port-wine birthmarks, which are caused by malformed capillaries close to the skin, can be removed…

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Q: Borosilicate glass (BK7) has index of refraction of 1.5168 in the visible spectral region. Calculate…

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Q: Q/ Given a TEM00 beam of A = 10.6 um from CO2 laser with a minimum beam waist (W. = 1 mm) located at…

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Q: In an aircraft, to protect a PCB from external interference signals it is housed in an Aluminum(Al)…

A: Given data: Conductivity of Aluminum σ=38.2×106 S/m. Relative permeability μr=1. Frequency f=1.6…

Q: A rectangular waveguide is filled with a lossless dielectric material with = 980 μ = μ₁,0 = 0 The…

A: It is given that,                         The rectangular wave guide is filled with lossless…

Q: A rectangular waveguide is filled with a lossless dielectric material with = 980 μ = μ0,0 = 0. The…

A: We know that for TEmn mode, the frequency in rectangular waveguide with sides a and b is given…

Q: ist (W. 1 mm) located at Z 0: he Rayleigh Range, Confocal paramete

A: Given: Using the given figure and the values, it is calculated as,

Q: 2: The half-width of the gain profile of a He-Ne laser material is 2 x 10-3 nm and length of the…

A: From the equation for the wavelength of the mth mode: λm=2Lm Where, L=Length of the cavity  λm= Wave…

Q: A wire loop 22 cm high is dipped in a soap solution (n = 1.33) and then held vertically. It produces…

A: The height of the wire loop is 22 cm. The refractive index of the soap solution is 1.33. The…

Q: Gallium arsenide (GaAS) used to produce an

A: Energy band gap ,