IT1116745B - Dispositivo per misurare le caratte ristiche di attenuazione e localizzare difetti di fibre ottiche - Google Patents

Dispositivo per misurare le caratte ristiche di attenuazione e localizzare difetti di fibre ottiche

Info

Publication number
IT1116745B
IT1116745B IT6800677A IT6800677A IT1116745B IT 1116745 B IT1116745 B IT 1116745B IT 6800677 A IT6800677 A IT 6800677A IT 6800677 A IT6800677 A IT 6800677A IT 1116745 B IT1116745 B IT 1116745B
Authority
IT
Italy
Prior art keywords
fibre
scattering
lens system
integrator
cell
Prior art date
Application number
IT6800677A
Other languages
English (en)
Inventor
Costa Bruno
Sordo Bruno
Original Assignee
Cselt Centro Studi Lab Telecom
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT6800677A priority Critical patent/IT1116745B/it
Priority to FR7810604A priority patent/FR2389883B1/fr
Priority to JP4676078A priority patent/JPS53138361A/ja
Priority to DE2818674A priority patent/DE2818674C3/de
Priority to GB17318/78A priority patent/GB1576797A/en
Priority to NLAANVRAGE7804681,A priority patent/NL175229C/xx
Priority to US05/902,795 priority patent/US4197007A/en
Application granted granted Critical
Publication of IT1116745B publication Critical patent/IT1116745B/it

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
IT6800677A 1977-05-05 1977-05-05 Dispositivo per misurare le caratte ristiche di attenuazione e localizzare difetti di fibre ottiche IT1116745B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT6800677A IT1116745B (it) 1977-05-05 1977-05-05 Dispositivo per misurare le caratte ristiche di attenuazione e localizzare difetti di fibre ottiche
FR7810604A FR2389883B1 (it) 1977-05-05 1978-04-11
JP4676078A JPS53138361A (en) 1977-05-05 1978-04-21 Device for measuring attenuation characteristic of optical fiber and for localizing defects
DE2818674A DE2818674C3 (de) 1977-05-05 1978-04-27 Vorrichtung zum Vermessen von Eigenschaften optischer Fasern
GB17318/78A GB1576797A (en) 1977-05-05 1978-05-02 Apparatus for measuring attenuation characteristics and localizing faults in optical fibres
NLAANVRAGE7804681,A NL175229C (nl) 1977-05-05 1978-05-02 Stelsel voor het meten van de eigenschappen van stralingsgeleiders.
US05/902,795 US4197007A (en) 1977-05-05 1978-05-04 Device for evaluating the light-transmitting characteristics of optical fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT6800677A IT1116745B (it) 1977-05-05 1977-05-05 Dispositivo per misurare le caratte ristiche di attenuazione e localizzare difetti di fibre ottiche

Publications (1)

Publication Number Publication Date
IT1116745B true IT1116745B (it) 1986-02-10

Family

ID=11307132

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6800677A IT1116745B (it) 1977-05-05 1977-05-05 Dispositivo per misurare le caratte ristiche di attenuazione e localizzare difetti di fibre ottiche

Country Status (1)

Country Link
IT (1) IT1116745B (it)

Similar Documents

Publication Publication Date Title
Vali et al. Ring interferometer 950 m long
JPS646706A (en) Michelson optical fiber interferometer
NO982586L (no) Fiberoptisk interferometer som optisk avtapping
ATE27489T1 (de) Faseroptische messeinrichtung.
DE69004571D1 (de) Optische reflexionsmessung im zeitbereich.
GB1465816A (en) Laser-doppler anemometer
JPS5238939A (en) Optical coupler
US4361402A (en) Apparatus for determining the refractive-index profile of optical fibers
EP0385500A3 (en) Optical head
IT1116775B (it) Dispositivo per misurare le caratteristiche di attenuazione e localizzare difetti in fibre ottiche
IT1116745B (it) Dispositivo per misurare le caratte ristiche di attenuazione e localizzare difetti di fibre ottiche
DE3869634D1 (de) Laserinterferometer-refraktometer.
JPS56147106A (en) Light variable attenuator
EP0055884A3 (en) Optical instrument for measuring the divergence of two approximately colinear optical axes
FR2393362A1 (fr) Dispositif automatique de reglage sans contact d'une distance, dans l'enregistrement et la reproduction optiques de signaux
JPS57198425A (en) Optical branching and coupling circuit
SU972294A1 (ru) Устройство дл измерени задней вершинной рефракции очковых линз
JPS6412236A (en) Wavelength variation monitor for semiconductor laser
RU1347689C (ru) Способ дистанционного измерени начального значени фокусного рассто ни рефракционных каналов
JPS6017326A (ja) 光フアイバフアブリ−ペロ−干渉計
SU909637A1 (ru) Устройство дл интерферометрического измерени высоких скоростей смещени поверхности
SU1462223A1 (ru) Волоконно-оптический переключатель
FR2574178B1 (fr) Capteur interferometrique a fibre optique
FR2249591A5 (en) Environment compensating differential refractometer - mirrors reflect rays from collimator to eyepiece
SU1516910A1 (ru) Рефрактометр