35 results for tunable diode laser
- Optoelectronics Library: Tunable Laser Diodes by Markus-Christia Amaan/Jens BuusOpens in a new window or tabBrand NewS$ 139.44+S$ 89.92 postagefrom United Stateskai-4396 (24) 100%
- Tunable Laser Diodes and Related Optical Sources: By Buus, Jens, Amann, Marku...Opens in a new window or tabBrand NewS$ 232.89+S$ 63.20 postagefrom United Statesshopspell (20,588) 98.5%
- Tunable Laser Diodes and Related Optical Sources by Jens Buus (English) HardcoveOpens in a new window or tabBrand NewS$ 258.26+S$ 44.81 postagefrom AustraliaTop-rated sellerTop-rated sellerthe_nile (1,212,704) 98.2%
- Monitoring of Gaseous Pollutants by Tunable Diode Lasers - 9789401069342Opens in a new window or tabBrand NewS$ 65.34List price: S$ 77.0815% off+S$ 45.13 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Tunable Laser DiodesOpens in a new window or tabBrand NewS$ 290.92+S$ 10.99 postagefrom United StatesTop-rated sellerTop-rated sellerawesomebooksusa (411,795) 98%
- Tunable Laser Diodes by Amann, Markus ChristianOpens in a new window or tabby Amann, Markus Christian | HC | AcceptablePre-OwnedS$ 44.65+S$ 17.58 postagefrom United Statesthrift.books (3,584,926) 99%
- Good, Tunable External Cavity Diode Lasers, Ye, Cunyun, BookOpens in a new window or tabPre-OwnedS$ 131.02+S$ 18.67 postagefrom United Kingdombestsellersuk (60,830) 99.4%
- Monitoring of Gaseous Pollutants by Tunable Diode Lasers : Proceedings of the-,Opens in a new window or tabBrand NewS$ 150.52+S$ 10.99 postagefrom United StatesTop-rated sellerTop-rated sellerawesomebooksusa (411,795) 98%
- Tunable Laser Diodes and Related Optical Sources, Hardcover by Buus, Jens; Am...Opens in a new window or tabNew (Other)S$ 178.09List price: S$ 197.0510% off+S$ 61.57 postagefrom United Statesgreatbookprices1 (302,981) 96.8%
- Monitoring of Gaseous Pollutants by Tunable Diode Lasers - 9789401052269Opens in a new window or tabBrand NewS$ 66.04List price: S$ 77.0814% off+S$ 45.16 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Tunable Laser Diode 2e, J Buus, HardbackOpens in a new window or tabBrand NewS$ 163.70+S$ 64.62 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedpbshop.store (256,966) 98.9%
- Monitoring of Gaseous Pollutants by Tunable Diode Lasers: Proceedings of the IntOpens in a new window or tabBrand NewS$ 96.95+S$ 21.09 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Monitoring of Gaseous Pollutants by Tunable Diode Lasers - 9789401082716Opens in a new window or tabBrand NewS$ 65.34List price: S$ 77.0815% off+S$ 45.13 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Tunable Laser Diodes and Related Optical Sources, Hardcover by Buus, Jens; Am...Opens in a new window or tabBrand NewS$ 178.09List price: S$ 197.0510% off+S$ 61.57 postagefrom United Statesgreatbookprices1 (302,981) 96.8%
- Tunable Laser Diodes and Related Optical Sources by Jens Buus (English) HardcoveOpens in a new window or tabBrand NewS$ 219.80+S$ 38.41 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Monitoring of Gaseous Pollutants by Tunable Diode Lasers: Proceedings of the IntOpens in a new window or tabBrand NewS$ 97.23+S$ 29.77 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Tunable Laser Diodes and Related Optical Sources by Jens Buus: NewOpens in a new window or tabBrand NewS$ 216.71+S$ 62.72 postagefrom United Statesalibrisbooks (412,694) 98.5%
- Monitoring of Gaseous Pollutants by Tunable Diode Lasers: Proceedings of the IntOpens in a new window or tabBrand NewS$ 97.49+S$ 34.46 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Distributed Feedback Laser Diodes and Optical Tunable FiltersOpens in a new window or tabBrand NewS$ 253.56+S$ 47.90 shipping estimatefrom United KingdomCustoms services and international tracking providedloveourprices2 (96,358) 97.7%
- Tunable Laser Diodes by Markus Christian Amann: NewOpens in a new window or tabBrand NewS$ 271.54+S$ 51.92 postagefrom United Statesalibrisbooks (412,694) 98.5%
- Monitoring of Gaseous Pollutants by Tunable Diode Lasers: Proceedings of the IntOpens in a new window or tabBrand NewS$ 112.96+S$ 9.95 postagefrom United Statesthe_nile_uk_store (22,323) 98.2%
- Monitoring of Gaseous Pollutants by Tunable Diode Lasers: Proceedings of the IntOpens in a new window or tabBrand NewS$ 117.63+S$ 16.41 postagefrom United Statesthe_nile_uk_store (22,323) 98.2%
- Monitoring of Gaseous Pollutants by Tunable Diode Lasers: Proceedings of the IntOpens in a new window or tabBrand NewS$ 117.63+S$ 19.93 postagefrom United Statesthe_nile_uk_store (22,323) 98.2%
- Tunable Laser Diodes and Related Optical Sources by Jens Buus (English) HardcoveOpens in a new window or tabBrand NewS$ 260.48+S$ 22.50 postagefrom United Statesthe_nile_uk_store (22,323) 98.2%
- Distributed Feedback Laser Diodes and Optical Tunable Filters by H. Ghafouri-ShiOpens in a new window or tabBrand NewS$ 339.85+S$ 23.62 postagefrom United Statesthe_nile_uk_store (22,323) 98.2%
- Jeff Hecht Understanding Lasers (Paperback)Opens in a new window or tabAnother great item from Rarewaves USA | Free delivery!Brand NewS$ 214.74+S$ 5.86 postagefrom United StatesTop-rated sellerTop-rated sellerrarewaves-usa (398,134) 97.2%
- Absorption Spectroscopy Studies in Low Pressure Non Equilibrium Molecular PlasmaOpens in a new window or tabBrand NewS$ 129.36+S$ 34.46 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Laser Induced Breakdown Spectroscopy (LIBS): Concepts, Instrumentation, Data AnaOpens in a new window or tabBrand NewS$ 451.73+S$ 84.10 postagefrom CanadaTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Understanding Lasers: An Entry-Level Guide by Jeff Hecht (English) Paperback BooOpens in a new window or tabBrand NewS$ 170.04+S$ 51.81 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Jeff Hecht Understanding Lasers (Paperback) (UK IMPORT)Opens in a new window or tabAnother great item from Rarewaves | Free delivery!Brand NewS$ 284.19+S$ 5.86 postagefrom United Kingdomrarewaves (568,289) 97.4%
- Understanding Lasers : An Entry-Level Guide, Paperback by Hecht, Jeff, Brand ...Opens in a new window or tabBrand NewS$ 161.27+S$ 48.66 postagefrom United Statesgreatbookprices1 (302,981) 96.8%
- Tunable diode-laser absorption spectroscopy for trace-gas measurements with highOpens in a new window or tabNew (Other)S$ 19.92+S$ 10.41 postagefrom GermanyTop-rated sellerTop-rated sellerkonrad-von-agris (10,939) 99.6%
- Tunable Laser Diodes and Related Optical Sources, Hardcover by Buus, Jens; Am...Opens in a new window or tabNew (Other)S$ 178.39List price: S$ 197.3810% off+S$ 29.86 postagefrom United Kingdomsuperbookdeals1 (71,727) 94.1%
- Distributed Feedback Laser Diodes and Optical Tunable Filters, Hardcover by G...Opens in a new window or tabNew (Other)S$ 235.35List price: S$ 296.8621% off+S$ 29.86 postagefrom United Kingdomsuperbookdeals1 (71,727) 94.1%
- Tunable Laser Diodes and Related Optical Sources, Hardcover by Buus, Jens; Am...Opens in a new window or tabBrand NewS$ 178.41List price: S$ 196.999% off+S$ 29.86 postagefrom United Kingdomsuperbookdeals1 (71,727) 94.1%
- Distributed Feedback Laser Diodes and Optical Tunable Filters, Hardcover by G...Opens in a new window or tabBrand NewS$ 235.37List price: S$ 294.3220% off+S$ 29.86 postagefrom United Kingdomsuperbookdeals1 (71,727) 94.1%
- Larry A. Coldren Milan L. Mashanovitch Diode Lasers and Photonic Int (Hardback)Opens in a new window or tabAnother great item from Rarewaves USA | Free delivery!Brand NewS$ 354.22+S$ 4.29 postagefrom United StatesTop-rated sellerTop-rated sellerrarewaves-usa-ca (52,949) 97.7%
- Advances in High-Power Fiber and Diode Laser Engineering (Hardback) (UK IMPORT)Opens in a new window or tabAnother great item from Rarewaves | Free delivery!Brand NewS$ 390.77+S$ 3.22 postagefrom United KingdomTop-rated sellerTop-rated sellerrarewaves-ca (135,319) 98.3%
- Tunable Solid State Lasers: Proceedings of the First International Conference...Opens in a new window or tabby P. Hammerling; A. B. Budgor | HC | GoodPre-OwnedS$ 29.05+S$ 17.58 postagefrom United Statesthrift.books (3,584,926) 99%
- Hardcover Book, Tunable Laser Applications, 2nd Ed., 2009, Frank Duarte, VGOpens in a new window or tabPre-OwnedS$ 117.41+S$ 89.27 postagefrom United Statesvinyllicrecords (1,539) 100%
- Tunable Laser Optics, Hardcover by Duarte, F. J., Like New Used, Free shippin...Opens in a new window or tabNew (Other)S$ 308.38+S$ 65.42 postagefrom United Statesgreatbookprices1 (302,981) 96.8%
- Advances in High-Power Fiber and Diode Laser Engineering (Hardback)Opens in a new window or tabAnother great item from Rarewaves USA | Free delivery!Brand NewS$ 261.55+S$ 4.29 postagefrom United StatesTop-rated sellerTop-rated sellerrarewaves-usa-ca (52,949) 97.7%
- Portable Diode Pumped Femtosecond LasersOpens in a new window or tabBrand NewS$ 103.58+S$ 10.99 postagefrom United StatesTop-rated sellerTop-rated sellerawesomebooksusa (411,795) 98%
- TUNABLE LASER OPTICS By Frank J. Duarte - Hardcover **BRAND NEW**Opens in a new window or tab~ BRAND NEW!! Quick & Free Delivery in 2-14 days ~Brand NewS$ 146.71+S$ 60.65 postagefrom United Stateszuber (238,831) 98.2%
- U.S. Environmental P - Development and Application of Tunable Diode La - J555zOpens in a new window or tabBrand NewS$ 24.77+S$ 35.62 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedihaveit_music (67,966) 98.9%
- Tunable Solid State Lasers: Proceedings of the First International Conference LaOpens in a new window or tabBrand NewS$ 181.62+S$ 21.09 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Advances in High-Power Fiber and Diode Laser Engineering (Hardback)Opens in a new window or tabAnother great item from Rarewaves | Free UK deliveryBrand NewS$ 326.35+S$ 5.58 postagefrom United KingdomTop-rated sellerTop-rated sellerrarewaves-outlet (1,143,365) 98.2%
- Peter E. Anders Semiconductor Lasers and Diode-based Light Sources fo (Hardback)Opens in a new window or tabAnother great item from Rarewaves USA | Free delivery!Brand NewS$ 256.04+S$ 5.86 postagefrom United StatesTop-rated sellerTop-rated sellerrarewaves-usa (398,134) 97.2%
- Advances in High-Power Fiber and Diode Laser Engineering (Hardback)Opens in a new window or tabAnother great item from Rarewaves | Free delivery!Brand NewS$ 367.04+S$ 2.93 postagefrom United KingdomTop-rated sellerTop-rated sellerrarewaves-outlet (1,143,365) 98.2%
- TUNABLE LASERS HANDBOOK (OPTICS AND PHOTONICS) By F. J. Duarte - Hardcover *VG+*Opens in a new window or tabExcellent Condition! Quick & Free Delivery in 2-14 daysPre-OwnedS$ 140.83+S$ 69.63 postagefrom United Stateszuber (238,831) 98.2%
- Monolithic Diode-Laser Arrays by Carlson, Nils W.Opens in a new window or tabby Carlson, Nils W. | HC | GoodPre-OwnedS$ 37.22+S$ 17.58 postagefrom United Statesthrift.books (3,584,926) 99%
- Tunable Laser Applications by F J Duarte: NewOpens in a new window or tabBrand NewS$ 413.38+S$ 52.48 postagefrom United Statesalibrisbooks (412,694) 98.5%
- TUNABLE LASER APPLICATIONS (OPTICAL SCIENCE AND By Frank Duarte - Hardcover NEWOpens in a new window or tab~ BRAND NEW!! Quick & Free Delivery in 2-14 days ~Brand NewS$ 120.29+S$ 47.45 postagefrom United Stateszuber (238,831) 98.2%
- Tunable Solid State Lasers - 9783662135693Opens in a new window or tabBrand NewS$ 124.91List price: S$ 154.1719% off+S$ 62.55 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Tunable Solid State Lasers for Remote Sensing: Proceedings of the NASA ConferencOpens in a new window or tabBrand NewS$ 96.95+S$ 21.09 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Tunable Lasers and Applications: Proceedings of the Loen Conference, Norway, 197Opens in a new window or tabBrand NewS$ 97.49+S$ 34.46 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Introduction to Nitride Semiconductor Blue Lasers and Light Emitting Diodes byOpens in a new window or tabPre-OwnedS$ 54.37+S$ 45.50 postagefrom United StatesTop-rated sellerTop-rated sellerbluevasemarketplace (166,074) 99.5%
- Effectiveness of diode lasers in Dentinal Hypersensitivity by Kamal Baro PaperbaOpens in a new window or tabBrand NewS$ 79.01+S$ 12.43 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Tunable Lasers by Linn F. Mollenauer (English) Paperback BookOpens in a new window or tabBrand NewS$ 97.49+S$ 38.41 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Tunable Solid-State Lasers II - 9783662136041Opens in a new window or tabBrand NewS$ 66.04List price: S$ 77.0814% off+S$ 45.16 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Avaliao comparativa de DIODE LASER e GLUMA - um estudo SEM by Dr Kanika Thakur POpens in a new window or tabBrand NewS$ 85.59+S$ 12.43 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Tunable Lasers Handbook by Frank J Duarte: NewOpens in a new window or tabBrand NewS$ 324.29+S$ 65.89 postagefrom United Statesalibrisbooks (412,694) 98.5%
- Tunable Lasers and Applications - 9783662134818Opens in a new window or tabBrand NewS$ 66.04List price: S$ 77.0814% off+S$ 45.16 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Tunable Laser Applications, Hardcover by Duarte, F. J. (EDT), Like New Used, ...Opens in a new window or tabNew (Other)S$ 395.91+S$ 55.59 postagefrom United Statesgreatbookprices1 (302,981) 96.8%
- Tunable Solid-State Lasers II: Proceedings of the OSA Topical Meeting, RipplingOpens in a new window or tabBrand NewS$ 97.49+S$ 29.77 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- TDLS 2009 - 9783662505465Opens in a new window or tabBrand NewS$ 178.57List price: S$ 222.7020% off+S$ 65.43 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Optical Science and Engineering: Tunable Laser Applications by Frank Duarte...Opens in a new window or tabBrand NewS$ 169.34+S$ 22.02 postagefrom ThailandTop-rated sellerTop-rated sellermuaythai-fighting (10,467) 98.6%
- Semiconductor Diode Lasers by Campbell, Ralph W, Mims, Forrest MOpens in a new window or tabPre-OwnedS$ 21.90+S$ 13.45 postagefrom United Kingdomphatpocket (40,290) 99.1%
- High-Power Diode Lasers - 9783642085970Opens in a new window or tabBrand NewS$ 337.43List price: S$ 428.2921% off+S$ 73.96 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Diode Lasers and Photonic Integrated Circuits Wiley series Coldren & CorzineOpens in a new window or tabNew (Other)S$ 71.85+S$ 74.93 postagefrom United Statesskymom720 (658) 100%
- TDLS 2009 - 9783642022913Opens in a new window or tabBrand NewS$ 180.02List price: S$ 222.7019% off+S$ 65.50 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Vergleichende Bewertung von DIODE LASER und GLUMA - eine SEM-Studie by Dr KanikaOpens in a new window or tabBrand NewS$ 85.59+S$ 12.43 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Diode Laser ArraysOpens in a new window or tabBrand NewS$ 129.83+S$ 47.73 postagefrom United Statesshopspell (20,588) 98.5%
- HIGH POWER DIODE LASERS: TECHNOLOGY AND APPLICATIONS By Friedrich BachmannOpens in a new window or tab~ Quick Free Delivery in 2-14 days. 100% Satisfaction ~Pre-OwnedS$ 199.55+S$ 49.79 postagefrom United Stateszuber (238,831) 98.2%
- High Power Diode Lasers - 9781441922359Opens in a new window or tabBrand NewS$ 378.60List price: S$ 428.2912% off+S$ 76.17 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Diode Laser Arrays (Cambridge Studies in Modern Optics, Series Number 14), , VerOpens in a new window or tabPre-OwnedS$ 46.26+S$ 45.27 postagefrom United Statesmidtownscholarbookstore (177,453) 99.8%
- valuation comparative du laser diode et du GLUMA - tude SEM by Dr Kanika ThakurOpens in a new window or tabBrand NewS$ 85.59+S$ 12.43 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Solid State Lasers Tunable Sources and Passive QswOpens in a new window or tabBrand NewS$ 86.67+S$ 46.27 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedpbshop.store (256,966) 98.9%
- TDLS 2009: Selected Papers of the 7th International Conference on TunableOpens in a new window or tabBrand NewS$ 246.70+S$ 47.52 shipping estimatefrom United KingdomCustoms services and international tracking providedloveourprices2 (96,358) 97.7%
- Diode Lasers in Neurosurgery by F. -X Roux Paperback BookOpens in a new window or tabBrand NewS$ 68.68+S$ 105.45 postagefrom CanadaTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Principles Of Semiconductor Laser Diodes And AmpliOpens in a new window or tabBrand NewS$ 162.40+S$ 64.55 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedpbshop.store (256,966) 98.9%
- Diode Laser Materials & Devices - A Worldwide Market & Technology Overview to 20Opens in a new window or tabPre-OwnedS$ 9.34+S$ 52.29 postagefrom United Kingdomwebuybooks (2,077,813) 99.2%
- GaN-Based Laser Diodes - 9783642435485Opens in a new window or tabBrand NewS$ 124.70List price: S$ 154.1719% off+S$ 62.53 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Advanced Laser Diode Reliability, Hardcover by Vanzi, Massimo (EDT); Bechou, ...Opens in a new window or tabNew (Other)S$ 212.54+S$ 62.60 postagefrom United Statesgreatbookprices1 (302,981) 96.8%
- Monolithic Diode-Laser Arrays - 9783642789441Opens in a new window or tabBrand NewS$ 66.04List price: S$ 77.0814% off+S$ 45.16 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Diode Laser Arrays by Dan Botez (English) Paperback BookOpens in a new window or tabBrand NewS$ 136.04+S$ 34.46 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Diode Lasers and Photonic Integrated Circuits - 9780470484128Opens in a new window or tabBrand NewS$ 194.66List price: S$ 224.3513% off+S$ 58.39 shipping estimatefrom United KingdomTop-rated sellerTop-rated sellerCustoms services and international tracking providedbooks--etc (458,211) 99.2%
- Monolithic Diode-Laser Arrays by Nils W. Carlson (English) Paperback BookOpens in a new window or tabBrand NewS$ 97.49+S$ 34.46 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%
- Handbook of Distributed Feedback Laser Diodes, 2nd EditionOpens in a new window or tabNew (Other)S$ 135.04+S$ 53.75 postagefrom United Statesmqdong (83) 100%
- HIGH-POWER DIODE LASERS: FUNDAMENTALS, TECHNOLOGY, By Roland Diehl - HardcoverOpens in a new window or tab~ Quick Free Delivery in 2-14 days. 100% Satisfaction ~Pre-OwnedS$ 257.58+S$ 63.92 postagefrom United Stateszuber (238,831) 98.2%
- Larry A. Coldren Milan L. Mashano Diode Lasers and Photon (Hardback) (UK IMPORT)Opens in a new window or tabAnother great item from Rarewaves | Free delivery!Brand NewS$ 404.41+S$ 3.22 postagefrom United KingdomTop-rated sellerTop-rated sellerrarewaves-ca (135,319) 98.3%
- Diode Lasers and Photonic Integrated Circuits by Larry A. Coldren (English) HardOpens in a new window or tabBrand NewS$ 254.94+S$ 59.59 postagefrom United StatesTop-rated sellerTop-rated sellergrandeagleretail (919,793) 98.2%