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Old 05-10-2014, 04:25 AM #1
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Default Which host for Nichia 445 nm 3.5@5W? Custom Zaser XL or Cypreus II XL?

Hi.
I have bought two different hosts: a Cypreus II XL and a custom Zaser XL (bigger head -> 53mm diameter and one extra cooling fin added). I'm in doubt what kind of host use with the new Nichia 445 nm 3.5W@5W: Cypreus II or the Zaser XL? Any suggestion?


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- Jetlaser PL-E Pro Focusable 445 nm 4000 mW Peak 3500 mW Average With Jetlaser 10x Beam Expander
- Mrcrouse Zaser Black Anodized Custom Head/Pill 445 nm 4970 mW Peak 4670 mW Average With Laserglow Modified Recoated 10x Beam Expander
- Sinner Cypreus IIIb 450nm 4757mW With Three Elements Glass Lenses And Adapted Linos 10x Beam Expander
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Old 05-10-2014, 05:51 AM #2
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Default Re: Which host for Nichia 445 nm 3.5@5W? Custom Zaser XL or Cypreus II XL?

Yea I would go with a C-88 they have a large contact area between the heat sink and the host so the heat can get out when your carving your name in that tree trunk, here it is>


This host can take a 26650 and your going to need that kind of power for 3.5W

Good luck...
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Old 05-10-2014, 06:18 AM #3
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Default Re: Which host for Nichia 445 nm 3.5@5W? Custom Zaser XL or Cypreus II XL?

Cypreus II XL will give you nice transfer away from the diode but low heat capacity. Zaser will give you good heat capacity but less efficiency at drawing it away. IF I am remembering my facts correctly. Otherwise it is vice versa. Anyway. Point being, you will probably not see an appreciable difference in Duty Cycles between the two.

Take the following into consideration:
Battery Life. How big of batts can it hold?
Does it look good? (If that is important to you)
Do you care about really long duty cycles?
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Old 05-10-2014, 06:18 AM #4
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Default Re: Which host for Nichia 445 nm 3.5@5W? Custom Zaser XL or Cypreus II XL?

I would go with the Cypreus-II. I've been thinking of using one for the same diode.
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Old 05-10-2014, 06:23 AM #5
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Default Re: Which host for Nichia 445 nm 3.5@5W? Custom Zaser XL or Cypreus II XL?

With either of your current host options you will need a buck driver, and currently there aren't any buck drivers available that do over 3 amps.
Lazeerer has one in the works but until then the only way you're going to drive that diode to it's full potential is with a dual boost driver set-up.

If it was me personally I would put it into a Cypreus II standard host with dual x-boost, each set at 1.8 amps, giving an output of 3.6 amps,
running of a single 18650. You could buy two of the x-boost drivers set at 1.8 amps from Flaminpyro and secure them on the double sided pill.

If you haven't already, read this thread by IWIRE: Introducing "Deuces Wild" 5.4w

Last edited by will manners; 05-10-2014 at 06:25 AM.
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Old 05-10-2014, 06:44 AM #6
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Default Re: Which host for Nichia 445 nm 3.5@5W? Custom Zaser XL or Cypreus II XL?

Thanks for the hints dudes!
Since I'm working to a hybrid beam expander for the Zaser (half Laserglow, half Jetlasers), and since the 3.5W Nichia diode has a noticeable divergence and a large dot line, I decided to use the Zaser XL build.
It seems that half of the Earth is waiting for the new ramp up driver from Lazereer.
The last time that I have spoke with him (about 1 months ago, aka the last time when he have visited the forum), he told me that the driver is ready at 80%. I'm waiting this driver because I want to use it in three differents builds: the c-mount red stubby kit by Jayrob (for me, an old sad tale), the 3.5W Nichia blue diode, and the 1W 520 nm Nichia diode.
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- Sinner Cypreus II 18650 405nm 1000 mW
- Jayrob Aurora Stainless Steel 18650 445nm 891 mW Average 950 mW Peak
- Jayrob Frankenstein 445nm 2875 mW Average 3108 mW Peak With Modified Recoated Laserglow 10x Beam Expander
- Jetlaser PL-E Pro Focusable 445 nm 4000 mW Peak 3500 mW Average With Jetlaser 10x Beam Expander
- Mrcrouse Zaser Black Anodized Custom Head/Pill 445 nm 4970 mW Peak 4670 mW Average With Laserglow Modified Recoated 10x Beam Expander
- Sinner Cypreus IIIb 450nm 4757mW With Three Elements Glass Lenses And Adapted Linos 10x Beam Expander
- Sinner Cypreus II XL Gold Plated 24k 465nm 4200 mW Peak With Three Elements Glass Lenses
- CDBEAM Blue Balista 467nm 5088mW Optical Corrected 8 Lenses System
- CDBEAM Verde Volcano 520nm 2600 mW Dual Diode Build With PBS, Corrective Optics, Variable Output Power And 10x Variable Magnification Linos Beam Expander
- Laserglow Hercules 600 532nm 650 mW With Adapted 8x Linos beam expander
- Jayrob Aurora Stainless Steel 18650 532nm 195mW Peak 181 mW Average
- Jayrob Aurora Stainless Steel 18650 635nm 284 mW Peak 271 mW Average
- Sci-Fi Lasers Arcane II 635nm Light Gray Metallic Powder Coated 675 mW Peak 645 mW Average With Three Elements Glass Lenses
- Jayzereer C-Mount Red Mag Build 650nm 1600 mW

- Aurora SH-032 Stainless Steel 160 Lumens
- Nitecore TN36UTvn Modded Ultra-Directive 1 MLux !!
- Fenix TK75vnQ Modded Ultra Flood & Throw 14.000 Lumens
- Fire-Foxes FF4 6000 Lumens

- Laserbee 7 Watt Laser Power Meter Ophir Thermopile
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