• ~2X reflective on-panel concentrator

• One-piece all-metal construction
   redundantly grounded to panel

• Low temperature operation
   (75 degrees C in GEO)

• Wide solar acceptance angle
   (alpha +/- 12 degrees,
   beta +/- 24 degrees)

• Array mass reduction (~2%)

• Standard large area 3J cells,
   laydown & interconnects

• Retrofits onto existing qualified platforms

• ~25% cost savings at array level

• Low risk implementation

• Simple self-deployment as panels open

• Utilize standard ACS and array tracking

• Array-level end-to-end testing

• Maintains heritage qualification basis

Test

Environment

Result

Electrical

AM0 LAPSS Test

Pass - >95% Efficiency

Off-Angle Performance

AM0 LAPSS Test

Cosine Fall-Off out to 12°(a) & 24°(b)

Random Vibration

52, 45 & 87 g-rms
(x, y & z Respectively)

Pass - No shape or power impacts

GEO Thermal Cycles

-175°C to +120°C, 2,000 Cycles

Pass - < 1% Power Loss

LEO Thermal Vacuum Cycles

-115°C to +135°C,
1x10-5 Torr, 12 Cycles

Pass - No Measurable Power Loss

LEO Thermal Cycles

-100° C to +120° C,
80,000 Cycles

In Process - Pass Through 4000 Cycles

Long Term Stowage

11 mm Gap for 3 Years

In-Process - Pass Through 4 Months

Minimum Panel Gap

5 mm Gap for 1 Minute

Pass - No shape or power impacts

Deployment Cycles

50 Stow and Deploy Cycles

Pass - No shape or power impacts

Humidity

90% RH at 22°C, 60 Days

Pass - < 1% Power Loss

UV Radiation

10,000 Equivalent Sun Hours

In Process - Pass Through 1300 ESH

Electron Radiation

15 Year GEO Exposure

In Process - Pass Through 3 Years

Proton Radiation

15 Year GEO Exposure

In Process - Pass Through 3 Years