Lazoc is Structural Condition Monitoring company

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Thu, 26 Jun 2008 22:02:39 +0900

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Enquiry

Thu, 26 Jun 2008 21:59:09 +0900

Head office
Tel	81-3-3816-3864
Fax	81-3-3816-3867
IP Phone	81-50-8004-6273
mail	info@lazoc.jp

To-dai Lab
Tel	81-3-5841-2337
Fax	81-3-5841-2337

Access

Thu, 26 Jun 2008 21:54:19 +0900

To Head office

- 5 minutes walk from Hongo-Sanchome station via Marunouchi-line (Tokyo Metro) or Ooedo-line (Toei)
- 10 minutes walk from Yushima station via Chiyoda-line (Tokyo Metro)
- 2 minutes walk from Tatsuoka-mon bus-stop via Ueno-Todai-Konai line

To The University of Tokyo Lab

- 5 minutes walk from Nedu station via Chiyoda-line (Tokyo Metro)
- 8 minutes walk from Todaimae station via Nanboku-line (Tokyo Metro)
- 2 minutes walk from final bus-stop via Ueno-Todai-Konai line

Company

Thu, 26 Jun 2008 21:51:08 +0900

Name	LAZOC Incorporated
Capital paid-up	Japanese Yen 89,490,293
Establishment	April 15, 2002
CEO	Yuichi Machijima
Business	Development and Engineering of Fiber optical sensing system Field Service for Structural Monitoring System
Address	Head office Postal code : 113-0033 3-40-9, Hongo, Bunkyo, Tokyo, Japan Tel : 81-3-3816-3864 Fax : 81-3-3816-3867
Address	The University of Tokyo Lab Postal code : 113-8656 7-3-1, Hongo, Bunkyo, Tokyo The University of Tokyo, Hongo Campus, Engineering Faculty 3rd building Tel : 81-3-5841-2337 Fax : 81-3-5841-2337

Business

Thu, 26 Jun 2008 20:36:30 +0900

The sensing technology is a nerve system, if we say with a human body. It is essential that infrastructure and plants are always healthy, to spend safe life and to realize economic activity.

Fiber Optical Doppler Sensor (FOD)

Thu, 15 Nov 2007 14:08:39 +0900

FOD sensor can detect ultrasonic wave (vibration at the same time) that cannot be heard by human ear. Conventionally, several kinds of ceramics are used, where FOD can compete. In material science, by hearing very small ultrasonic, material destruction process is observed from micro crack till further degradation.

Electro-Magnetic Acoustic Transducer / FOD system (EMAT/FOD)

Thu, 15 Nov 2007 14:08:03 +0900

By combining FOD and magnetic, metal thickness is measured. According to Flemming law, EMAT generates vibration into metal, where FOD sensor detects such vibration frequency. The strongest frequency is corresponding to metal thickness.

Fiber Bragg Grating Sensor (FBG)

Thu, 15 Nov 2007 14:07:12 +0900

By making grating inside core of fiber optic, such grating shall reflect particular wavelength of laser, correlating to period of grating. Grating period expands or shrinks to strain and temperature change.

Multiplexing methods by Frequency domain of FBG sensors (OFDR)

Thu, 15 Nov 2007 14:06:35 +0900

FBG sensor is advantageous of being able to have many sensors in one line of fiber optic. To recognize the position of each FBG, there are several methods like WDM (wavelength division multiplex) and TDM (time division multiplex). OFDR (Optical Frequency Domain Reflectometry) is a third option, that can divide FBG by interferometric approach. OFDR makes possible to measure several hundreds of FBG and also to measure with less-than-1mm spatial resolution, both of those are impossible by WDM and TDM.

Rotating machine diagnostic system by wide frequency methods of FOD

Thu, 15 Nov 2007 14:06:05 +0900

Damage of rotating machine comes from bearing, shaft, etc that are represented from high frequency ultrasonic to low frequency vibration. By using FOD wide coverage of frequency (10Hz to 1MHz), preventive diagnosis is possible.

Scintillator with Optical Fiber (SOF)

Thu, 15 Nov 2007 14:05:08 +0900

Conventionally, there are several methods to detect thermal neutron, such as Geiger-Muller. SOF is utilizing scintillation phenomena to detect thermal neutron which passes through sensor probe, and such scintillated light is led by fiber optic to photo-detector.

R&D Information

Thu, 15 Nov 2007 13:59:22 +0900

We are on step by step to provide state-of-the-art technology which is from basic research to field-setup.

Published Papers

Thu, 15 Nov 2007 13:57:50 +0900

Please refer to our presented papers at conference and symposium.

Field Monitoring

Thu, 15 Nov 2007 13:55:48 +0900

We provide “Monitoring Service” including planning, design, installation, monitoring, and data analysis for “Condition Monitoring” and “In Service Inspection” of civil infrastructure and industrial equipments.

Products

Thu, 15 Nov 2007 13:54:36 +0900

Fiber optical sensing system can measure strain, temperature, vibration, ultrasonic etc under a severe field condition.