波長(zhǎng)可調(diào)諧濾波器OTF-930是一款偏振無(wú)關(guān)的80nm可調(diào)濾波器。Santec的"Linear Sliding"技術(shù)使得在PDL,帶寬和插入損耗等光學(xué)特性恒定不變的情況下,進(jìn)行準(zhǔn)確持續(xù)的波長(zhǎng)調(diào)諧。OTF-930能實(shí)現(xiàn)非常低的插入損耗。OTF-930利用串聯(lián)的形式增加濾波隔離來(lái)實(shí)現(xiàn)最小的插損增益。OTF-930的十幾款型號(hào)基本覆蓋了絕大部分的光纖應(yīng)用。
- 80nm可調(diào)范圍
- 低插入損耗
- 低PDL(<0.1dB)&PMD(<0.1ps)覆蓋所有可調(diào)范圍
- 0.01nm波長(zhǎng)分辨率
- 使用LabView軟件驅(qū)動(dòng),支持GP-IB
- ASE噪音抑制
- 波長(zhǎng)選頻
- 波長(zhǎng)可調(diào)諧激光器:相干光源
應(yīng)用舉例 光通信收發(fā)器信號(hào)劣化強(qiáng)度確認(rèn)

Filter Selections
Filter type | 03 | 04 | 06 |
Filter structure | S1 | S2 | S3 | S1 | S2 | S3 | S1 | S2 | S3 |
Bandwidth @ -3dB (nm) | 0.4±0.1 | 0.3±0.1 | 0.25±0.1 | 0.5±0.1 | 0.35±0.1 | 0.3±0.1 | 0.7±0.1 | 0.5±0.1 | 0.4±0.1 |
Bandwidth @ -20dB (nm)(Typ.) | <3.8 | <1.5 | <1.2 | <5.0 | <1.7 | <1.2 | <7.5 | <2.4 | <1.5 |
Insertion Loss (dB) | 3.5 | 6 | 7.5 | 3 | 5 | 6.5 | 2.5 | 3 | 4 |
Chromatic dispersion (ps/nm)(Typ.) | 23 -19 | 33.5 -31.5 | 35 -23 | 18 -12.5 | 21.5 -17.5 | 26 -17 | 6.5 -6.5 | 14.5 -11 | 26.5 -17.5 |
Filter type | 08 | 12 | 24 |
Filter structure | S1 | S2 | S3 | S1 | S2 | S3 | S1 | S2 | S3 |
Bandwidth @ -3dB (nm) | 0.95±0.1 | 0.65±0.1 | 0.5±0.1 | 1.3±0.1 | 0.9±0.1 | 0.7±0.1 | 2.9±0.3 | 1.95±0.3 | 1.5±0.3 |
Bandwidth @ -20dB (nm)(Typ.) | < 9.8 | < 3.0 | < 2.2 | < 15.0 | < 4.5 | < 3.0 | <32.0 | < 10.0 | < 6.5 |
Insertion Loss (dB) | 2 | 3 | 3.5 | 2 | 2.5 | 3 | 2.5 | 2.5 | 2.5 |
Chromatic dispersion (ps/nm)(Typ.) | 7 -7 | 8 -5 | 12 -10.5 | 3.5 -4 | 5 -5 | 8 -5.5 | 3.5 -3.5 | 3.5 -3.5 | 3.5 -3.5 |
Filter type | 05(1500-1630nm) | 12(1270-1350nm) | 50 |
Filter structure | S1 | S2 | S3 | S1 | S2 | S3 | S1 |
Bandwidth @ -3dB (nm) | 0.5±0.1 | 0.35±0.1 | 0.3±0.1 | 1.3±0.15 | 0.9±0.1 | 0.7±0.1 | 5.5±1.0 |
Bandwidth @ -20dB (nm) | < 5.0 | < 1.7 | < 1.2 | < 15.0 | < 4.5 | < 3.0 | <60(Typ.) |
Insertion Loss (dB) | 4.5 *1 | 6.5 *1 | 8 *1 | 3 | 3.5 | 4 | 2.9 |
Chromatic dispersion (ps/nm) (typ.) | 18 -12.5 | 21.5 -17.5 | 26 -17 | 3.5 -4 | 5 -5 | 8 -5.5 | – – |
*1: The insertion loss at (1500 – 1530nm) and (1610 – 1630nm) wavelength range may increase by 1dB.
Category | Parameter | Unit | Spec | Notes |
Wavelength Characteristics | Tuning Range | nm | 1530-1610 1500-1630(05 bandwidth) 1270-1350(12 bandwidth) | |
Resolution | nm | 0.01 | Mechanical resolution |
Accuracy | nm | <±0.1, <±0.15(24), <±0.2(50) | |
Repeatability | nm | <±0.05, <±0.1(50) | n=50/Measured at center wavelength of slider |
Temperature Stability | pm/℃ | 2 | |
Power Characteristics | PDL(SMF) | dB | 0.2 | Filter Structure(S2) and (S3) |
Insertion Loss *1 | dB | | Refer to “Filter Selections”(Typ.) |
Return Loss *1 | dB | >45 | |
Power Monitor | Relative Accuracy | dB | <±0.1 | Output Power : -20~+10dBm |
Max Rating | Maximum Input Power | dBm | +20 | Damage Threshold |
PMD | PMD | ps | <0.1 | Design guaranteed performance |
Environmental Conditions | Operating Temperature | ℃ | 20-30 | |
Operating Humidity | % | <80 RH | Non condensing |
Interface | Optical Fiber | – | SMF or PMF *2 | |
Optical Connector | – | FC or SC | |
Connector Polish | – | SPC or APC | *3 |
Power supply | Communication Interface | – | GPIB(IEEE-488) & RS-232C | |
Voltage | V | AC100-240 | |
Frequency | Hz | 50/60 | |
Dimensions | Power Consumption | VA | 35@230 to 240V 30@100 to 120V | |
W x D x H | mm | 210 x 300 x 80 | |
Weight | kg | 4 | |
*1:In case of PMF, the insertion loss increases by 1.0dB
*2:In case of PMF, Polarization extinction ratio 20dB (typical), Polarization axis in alignment with connector key
*3:SPC = Super Physical Contact, APC = Angled Physical Contact
Filter Selections
(-3dB Bandwidth : 0.8 nm to 1.0 nm)
*Below example does not assures specifications which are not specified in the spec sheet.
Filter type = 08S1 or 12S2 08S1 -3dB Bandwidth 0.9nm -10dB Bandwidth 2.8nm -20dB Bandwidth 12S2 -3dB Bandwidth 0.9nm -10dB Bandwidth 2.0nm -20dB Bandwidth |  |
–12 Filter Profile–

Chromatic dispersion & group delay [ex:12S21550nm]
Chromatic dispersion for each wavelength
- 1530nm +4.0ps/nm -4.5ps/nm
- 1550nm +5.0ps/nm -5.0ps/nm
波長(zhǎng)可調(diào)諧濾波器OTF-930