{"id":4326,"date":"2017-10-25T10:45:17","date_gmt":"2017-10-25T01:45:17","guid":{"rendered":"https:\/\/www.jpu.or.jp\/eng\/?page_id=4326"},"modified":"2018-05-15T11:00:23","modified_gmt":"2018-05-15T02:00:23","slug":"tunable-filter","status":"publish","type":"page","link":"https:\/\/www.jpu.or.jp\/eng\/tunable-filter\/","title":{"rendered":"Tunable Filter"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Appearance<\/strong><\/td>\nProducts Name\uff1aModel<\/strong><\/td>\nMaker<\/strong><\/td>\n<\/tr>\n
\"\"<\/a><\/td>\n\n

Angle Tunable Type Wavelength Tunable Filter Module\uff1aTFA<\/strong><\/a><\/p>\n

Wavelength can be tuned by changing the angle of an oxide dielectric bandpass filter. This module rotates oxide dielectric bandpass filters with a micrometer to control wavelength. \u00a0<\/p>\n<\/td>\n

Optoquest Co.,LTD.<\/td>\n<\/tr>\n
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Slide Tunable Type Wavelength Tunable Filter Module\uff1aWTFA<\/strong><\/a><\/p>\n

\u00a0Tune arbitrary wavelengths by changing positions of oxide dielectric type filters of which the thickness is precisely distributed in parallel to the substrate surface.<\/p>\n

Optoquest > Optical Components > Wavelength Control Related Products

<\/center><\/td>\n
Optoquest Co.,LTD.<\/td>\n<\/tr>\n
\"\"<\/a><\/td>\n\n

Rack Type Wavelength Tunable Filter Unit\uff1aRTFA<\/strong><\/a><\/p>\n

Wavelength can be tuned by changing the angle of an oxide dielectric bandpass filter. This module rotates oxide dielectric bandpass filters with a micrometer to control wavelength.<\/p>\n<\/td>\n

Optoquest Co.,LTD.<\/td>\n<\/tr>\n
\u00a0\"\"<\/a><\/td>\n\u00a0TFM\/FC, The tunable filter module with an exchangeable cassette type filter<\/strong><\/a><\/p>\n

This 2-port transmission type optical modules has a slot where exchangeable filter cassette(FC) is to be inserted and has tunable center wavelength of its pass band. The center wavelength is continuously and finely tunable in the tuning range of 20nm. Wavelength range changes according to the optical filter mounted on the FC.<\/p>\n<\/td>\n

Koshin Kogaku Co., Ltd.<\/td>\n<\/tr>\n
\u00a0\"\"<\/a><\/td>\n\u00a0WTFM\/FC, The tunable filter module with two exchangeable cassete type filter<\/strong><\/a><\/p>\n

This wavelength-tunable filter module has two slots where exchangeable filter cassettes (FCs) are to be inserted.
\n Optical characteristics of the module are arbitrarily formed by selecting two optical filters. The wavelength tuning range of this module is the same as the one of TFM but FWHM and rejection are improved by combining two optical filters.<\/p>\n<\/td>\n

Koshin Kogaku Co., Ltd. \u00a0<\/td>\n<\/tr>\n
\"\"<\/a>\u00a0<\/td>\n\u00a0FC, Filter cassettes for TFM and WTFM<\/strong><\/a><\/p>\n

Optical filters are mounted on this small component to be used in TFM or WTFM. The cutomers can select the appropriate characteristics for their needs, and also can request the customized characteristics when there is no suitable optical filter in our stock. We will offer the specifications that suit for the customers demands.<\/p>\n<\/td>\n

Koshin Kogaku Co., Ltd. \u00a0<\/td>\n<\/tr>\n
\u00a0\"\"<\/a><\/td>\n\u00a0FBPF, Wavelength tunable fiber-optic filter module<\/strong><\/a><\/p>\n

This small, built-in type wavelength-tunable filter module has the wavelength tuning range of 5nm. The optical characteristics of the module are customized according to the customers requests. The customer can adjust the optical characteristics after building in this module into their equipment.<\/p>\n<\/td>\n

Koshin Kogaku Co., Ltd.<\/td>\n<\/tr>\n
\u00a0\"\"<\/a><\/td>\n\u00a0ILF, Fixed type fiber-optic module<\/strong><\/a><\/p>\n

This small, built-in type optical filter module has the fixed pass band. The optical characteristics of the module are customized in accordance with the customers requests. We mount the optical filter and adjust its optical characteristics according to the customers requests.<\/p>\n<\/td>\n

Koshin Kogaku Co., Ltd.<\/td>\n<\/tr>\n
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TMUX, 3 port tunable filter for ADD\/DROP<\/strong><\/a><\/p>\n

This 3-port transmission\/reflection filter module has tunable reflection wavelength and applicable to wavelength-tunable multiplexer\/demultiplexer for ADD\/DROP application.
\n Wavelength tuning range is 10nm. Transmitting and reflected light is simultaneously tunable.<\/p>\n<\/td>\n

Koshin Kogaku Co., Ltd. \u00a0<\/td>\n<\/tr>\n
\"\"<\/a>\u00a0<\/td>\n\u00a0ITF-201A Series, Intelligent Tunable Filter<\/strong><\/a><\/p>\n

ITF-201A can tune the wavelength and the full with at half maximum(FWHM) respectively.We have achieved extremely wide tuning range over 100nm(*) using high quality optical filter we developped by ourselves.
\n This product can be used not only as a tunable BPF but also as a tunable LPF\/SPF by changing the operation mode.\uff08*50nm for 1064nm-Band Model\uff09<\/p>\n<\/td>\n

Koshin Kogaku Co., Ltd.<\/td>\n<\/tr>\n
Koshin Kogaku has been providing customized module products for more than 30 years<\/td>\n\n

Customized Modules<\/strong><\/a><\/p>\n

Actual Achievement
\n \u2022 Optical modules for combination and split of light
\n \u2022 3-port (combination of 2 light) module
\n \u2022 4-port (combination of 3 light) module
\n \u2022 5-port (combination of 4 light) module
\n \u2022 6-port (combination of 5 light) module
\n \u2022 Optical branchng module Branching ratio 50:50
\n \u2022 Polarization split\/combination module
\n \u2022 Variable optical delay device Amount of delay \uff5e1nsec
\n \u2022 LD-Optical fiber coupling module
\n \u2022 PD-Optical fiber coupling module
\n \u2022 The measurement by using optical fiber jig unit<\/p>\n<\/td>\n

Koshin Kogaku Co., Ltd.<\/td>\n<\/tr>\n
\u00a0<\/td>\n\u00a01um-band Optical Filter Module<\/strong><\/a><\/p>\n

1um-band Optical Filter Module is a small-sized fiber optic filter module which has exellent power durability and low insertion loss. This new product inherited easy-customized features from our traditional products such as ILF, and gained the applicability to the high power laser equipments including fiber laser oscillator.<\/p>\n<\/td>\n

Koshin Kogaku Co., Ltd. \u00a0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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