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Fabry-Perot (F-P) etalon (100GHz finesse: 10)
Idealphotonics' Fabry-Perot etalons are based on free-space Fabry-Perot etalons. They provide periodic wavelength comb transmission. They include 2-port transmission type, 3-port transmission/reflection type and 4-port transmission type. The 2-port type provides a transmission spectrum, the 3-port type provides transmission and reflection spectra, and the 4-port type provides a phase delay (when the same signal is input into the two input ports, there is a phase delay at the two output ports). Our company's Fabry-Perot etalon wavelength can cover the C-band, including single mode and polarization-maintaining fiber. The free-space range (FSR) and finesse (F) of the etalon can be customized according to customer requirements. Widely used in optical communications, fiber grating sensors, and tunable fiber laser.
Product features:Available in X, O, S, C and L bands、 Compact passive package、 Low insertion loss、 SM or PM fiber pigtails、 High optical power handling
Part Number:MP-FPE-1550-2-100-10-SA
Application area:Wavelength lockers、 Wavelength division multiplexing telecommunication networks、 Handheld spectrum analyzers、 Fiber Bragg grating sensing systems、 Tunable filter lasers、 Tunable filters
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Center Wavelength Connector
1550nm FC/APC

Parameters
Parameter | Value |
Central wavelength | 1550nm(customizable) |
Spectral width | 40nm |
Typical FSR | 25, 50, 100GHz (customizable) |
Typical FSR tolerance | ±0.005GHz for 100GHz FSR |
Fineness | 2.5~40 |
Insertion loss | <0.8dB |
Polarization Dependent Loss(PDL) | <0. 15dB |
Extinction Ratio(ER) | >20dB (PM Fiber) |
Return loss | >45dB |
Phase delay | 0 to λ/4 (for 4-port device only) |
Maximum input power | 500mW (CW) |
Operating temperature | 10 to 50 °C |
Storage temperature | -20 to 75 °C |
Dimension | Ø5.5 x 35mm (L) or 40mm (L) |
Spectral shape

Spectral shape of 2-port pigtail etalon

Spectral shape of 3-port pigtail etalon
Test the frequency discrimination characteristics of the standard at 1572nm
Instruments used: 1550nm SLD, spectrometer, laser driver
Circuit connection diagram

Spectrometer test results








Ordering Information
MP-FPE-A-B-C-D-E-F/G-H/I
A: Port type
2: 2 Port
3: 3 Port
4: 4 Port
B: Central wavelength
1550: 1550nm
C : Free space range of etalon in GHz(FSR)
25: 25GHz,
100: 100GHz。
D: Fineness
2.5 - 40
E: Fiber type
SM: Single mode Fiber
PM:Polarization-mode Fiber
F: Pigtail cable diameter(um)
0.9: 0.9um loose tube diameter
G: Pigtail length(m)
1: 1m
H/I: Connector type
FC/APC
FC/PC
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